1155112402840 has 64 divisors (see below), whose sum is σ = 2904429013920. Its totient is φ = 409795968000.

The previous prime is 1155112402823. The next prime is 1155112402853. The reversal of 1155112402840 is 482042115511.

It is a junction number, because it is equal to n+sod(n) for n = 1155112402796 and 1155112402805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31997271 + ... + 32033350.

Almost surely, 2^{1155112402840} is an apocalyptic number.

1155112402840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1155112402840 is an abundant number, since it is smaller than the sum of its proper divisors (1749316611080).

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

1155112402840 is a wasteful number, since it uses less digits than its factorization.

1155112402840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64030684 (or 64030680 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 34.

The spelling of 1155112402840 in words is "one trillion, one hundred fifty-five billion, one hundred twelve million, four hundred two thousand, eight hundred forty".