621605114125 has 32 divisors (see below), whose sum is σ = 809785866240. Its totient is φ = 475835184000.

The previous prime is 621605114101. The next prime is 621605114129. The reversal of 621605114125 is 521411506126.

It is not a de Polignac number, because 621605114125 - 2⁵ = 621605114093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621605114129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 556329 + ... + 1246078.

It is an arithmetic number, because the mean of its divisors is an integer number (25305808320).

Almost surely, 2^621605114125 is an apocalyptic number.

It is an amenable number.

621605114125 is a deficient number, since it is larger than the sum of its proper divisors (188180752115).

621605114125 is a wasteful number, since it uses less digits than its factorization.

621605114125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802542 (or 1802532 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 621605114125 in words is "six hundred twenty-one billion, six hundred five million, one hundred fourteen thousand, one hundred twenty-five".