2115601425642 has 32 divisors (see below), whose sum is σ = 4377274116480. Its totient is φ = 680857128000.

The previous prime is 2115601425601. The next prime is 2115601425653. The reversal of 2115601425642 is 2465241065112.

It is a super-2 number, since 2×2115601425642² (a number of 25 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 2115601425642.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4609608 + ... + 5047740.

It is an arithmetic number, because the mean of its divisors is an integer number (136789816140).

Almost surely, 2^{2115601425642} is an apocalyptic number.

2115601425642 is an abundant number, since it is smaller than the sum of its proper divisors (2261672690838).

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

2115601425642 is a wasteful number, since it uses less digits than its factorization.

2115601425642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465918.

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 2115601425642 in words is "two trillion, one hundred fifteen billion, six hundred one million, four hundred twenty-five thousand, six hundred forty-two".