1155245515008 has 72 divisors (see below), whose sum is σ = 3311148431808. Its totient is φ = 355460155392.

The previous prime is 1155245515003. The next prime is 1155245515019. The reversal of 1155245515008 is 8005155425511.

It is not an unprimeable number, because it can be changed into a prime (1155245515003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57844860 + ... + 57864827.

It is an arithmetic number, because the mean of its divisors is an integer number (45988172664).

Almost surely, 2^{1155245515008} is an apocalyptic number.

It is an amenable number.

1155245515008 is an abundant number, since it is smaller than the sum of its proper divisors (2155902916800).

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

1155245515008 is a wasteful number, since it uses less digits than its factorization.

1155245515008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115709719 (or 115709705 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 42.

The spelling of 1155245515008 in words is "one trillion, one hundred fifty-five billion, two hundred forty-five million, five hundred fifteen thousand, eight".