2115025525644 has 24 divisors (see below), whose sum is σ = 4946050796400. Its totient is φ = 703438331904.

The previous prime is 2115025525619. The next prime is 2115025525663. The reversal of 2115025525644 is 4465255205112.

It is a super-2 number, since 2×2115025525644² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2115025525596 and 2115025525605.

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, 196266469 + ... + 196277244.

It is an arithmetic number, because the mean of its divisors is an integer number (206085449850).

Almost surely, 2^{2115025525644} is an apocalyptic number.

It is an amenable number.

2115025525644 is an abundant number, since it is smaller than the sum of its proper divisors (2831025270756).

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

2115025525644 is a wasteful number, since it uses less digits than its factorization.

2115025525644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392544169 (or 392544167 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 2115025525644 in words is "two trillion, one hundred fifteen billion, twenty-five million, five hundred twenty-five thousand, six hundred forty-four".