2015455131012 has 24 divisors (see below), whose sum is σ = 4702817107296. Its totient is φ = 671805738688.

The previous prime is 2015455130999. The next prime is 2015455131013. The reversal of 2015455131012 is 2101315545102.

It is not an unprimeable number, because it can be changed into a prime (2015455131013) 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, 903753 + ... + 2201744.

It is an arithmetic number, because the mean of its divisors is an integer number (195950712804).

Almost surely, 2^{2015455131012} is an apocalyptic number.

It is an amenable number.

2015455131012 is an abundant number, since it is smaller than the sum of its proper divisors (2687361976284).

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

2015455131012 is a wasteful number, since it uses less digits than its factorization.

2015455131012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159587 (or 3159585 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 2015455131012 in words is "two trillion, fifteen billion, four hundred fifty-five million, one hundred thirty-one thousand, twelve".