2115386751925 has 12 divisors (see below), whose sum is σ = 2626875656896. Its totient is φ = 1689860314800.

The previous prime is 2115386751901. The next prime is 2115386751931. The reversal of 2115386751925 is 5291576835112.

It is not a de Polignac number, because 2115386751925 - 2¹¹ = 2115386749877 is a prime.

It is a super-2 number, since 2×2115386751925² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61209549 + ... + 61244098.

Almost surely, 2^{2115386751925} is an apocalyptic number.

2115386751925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2115386751925 is a deficient number, since it is larger than the sum of its proper divisors (511488904971).

2115386751925 is a wasteful number, since it uses less digits than its factorization.

2115386751925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122454348 (or 122454343 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 55.

The spelling of 2115386751925 in words is "two trillion, one hundred fifteen billion, three hundred eighty-six million, seven hundred fifty-one thousand, nine hundred twenty-five".