1156105363860 has 48 divisors (see below), whose sum is σ = 3596772244800. Its totient is φ = 308294763552.

The previous prime is 1156105363859. The next prime is 1156105363871. The reversal of 1156105363860 is 683635016511.

1156105363860 is a `hidden beast` number, since 1 + 1 + 5 + 6 + 1 + 0 + 5 + 3 + 638 + 6 + 0 = 666.

It is a super-2 number, since 2×1156105363860² (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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1070467390 + ... + 1070468469.

It is an arithmetic number, because the mean of its divisors is an integer number (74932755100).

Almost surely, 2^{1156105363860} is an apocalyptic number.

1156105363860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1156105363860 is an abundant number, since it is smaller than the sum of its proper divisors (2440666880940).

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

1156105363860 is a wasteful number, since it uses less digits than its factorization.

1156105363860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140935877 (or 2140935869 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 1156105363860 in words is "one trillion, one hundred fifty-six billion, one hundred five million, three hundred sixty-three thousand, eight hundred sixty".