21113146355325 has 24 divisors (see below), whose sum is σ = 34913277246528. Its totient is φ = 11258341946880.

The previous prime is 21113146355281. The next prime is 21113146355363. The reversal of 21113146355325 is 52355364131112.

It is not a de Polignac number, because 21113146355325 - 2⁹ = 21113146354813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24610164 + ... + 25453613.

It is an arithmetic number, because the mean of its divisors is an integer number (1454719885272).

Almost surely, 2^{21113146355325} is an apocalyptic number.

21113146355325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

21113146355325 is a deficient number, since it is larger than the sum of its proper divisors (13800130891203).

21113146355325 is a wasteful number, since it uses less digits than its factorization.

21113146355325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50069413 (or 50069408 counting only the distinct ones).

The product of its digits is 324000, while the sum is 42.

The spelling of 21113146355325 in words is "twenty-one trillion, one hundred thirteen billion, one hundred forty-six million, three hundred fifty-five thousand, three hundred twenty-five".