1155113463870 has 96 divisors (see below), whose sum is σ = 3070478855808. Its totient is φ = 301153641984.

The previous prime is 1155113463853. The next prime is 1155113463883. The reversal of 1155113463870 is 783643115511.

1155113463870 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 1 + 1 + 3 + 4 + 638 + 7 + 0 = 666.

It is a super-2 number, since 2×1155113463870² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3817792 + ... + 4109228.

It is an arithmetic number, because the mean of its divisors is an integer number (31984154748).

Almost surely, 2^{1155113463870} is an apocalyptic number.

1155113463870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1155113463870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1535239427904).

1155113463870 is an abundant number, since it is smaller than the sum of its proper divisors (1915365391938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1155113463870 is a wasteful number, since it uses less digits than its factorization.

1155113463870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292434 (or 292431 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 1155113463870 in words is "one trillion, one hundred fifty-five billion, one hundred thirteen million, four hundred sixty-three thousand, eight hundred seventy".