3115111516640 has 48 divisors (see below), whose sum is σ = 7792359844752. Its totient is φ = 1172747864064.

The previous prime is 3115111516619. The next prime is 3115111516651. The reversal of 3115111516640 is 466151115113.

It is a super-2 number, since 2×3115111516640² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3115111516640.

It is a congruent number.

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, 572628074 + ... + 572633513.

It is an arithmetic number, because the mean of its divisors is an integer number (162340830099).

Almost surely, 2^{3115111516640} is an apocalyptic number.

It is an amenable number.

3115111516640 is an abundant number, since it is smaller than the sum of its proper divisors (4677248328112).

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

3115111516640 is a wasteful number, since it uses less digits than its factorization.

3115111516640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145261619 (or 1145261611 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 35.

The spelling of 3115111516640 in words is "three trillion, one hundred fifteen billion, one hundred eleven million, five hundred sixteen thousand, six hundred forty".