2115287505612 has 36 divisors (see below), whose sum is σ = 5628396581080. Its totient is φ = 667985527872.

The previous prime is 2115287505581. The next prime is 2115287505613. The reversal of 2115287505612 is 2165057825112.

It is a happy number.

2115287505612 is a `hidden beast` number, since 2 + 1 + 1 + 5 + 2 + 87 + 5 + 0 + 561 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2115287505613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1546262113 + ... + 1546263480.

Almost surely, 2^{2115287505612} is an apocalyptic number.

It is an amenable number.

2115287505612 is an abundant number, since it is smaller than the sum of its proper divisors (3513109075468).

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

2115287505612 is a wasteful number, since it uses less digits than its factorization.

2115287505612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092525622 (or 3092525617 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 45.

The spelling of 2115287505612 in words is "two trillion, one hundred fifteen billion, two hundred eighty-seven million, five hundred five thousand, six hundred twelve".