1155357108012 has 24 divisors (see below), whose sum is σ = 2711975970816. Its totient is φ = 382812933328.

The previous prime is 1155357107959. The next prime is 1155357108137. The reversal of 1155357108012 is 2108017535511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288260748 + ... + 288264755.

It is an arithmetic number, because the mean of its divisors is an integer number (112998998784).

Almost surely, 2^{1155357108012} is an apocalyptic number.

1155357108012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1155357108012 is an abundant number, since it is smaller than the sum of its proper divisors (1556618862804).

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

1155357108012 is a wasteful number, since it uses less digits than its factorization.

1155357108012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576525677 (or 576525675 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 39.

The spelling of 1155357108012 in words is "one trillion, one hundred fifty-five billion, three hundred fifty-seven million, one hundred eight thousand, twelve".