612535556325 has 144 divisors (see below), whose sum is σ = 1273431495168. Its totient is φ = 254310672000.

The previous prime is 612535556299. The next prime is 612535556327. The reversal of 612535556325 is 523655535216.

It is not a de Polignac number, because 612535556325 - 2¹³ = 612535548133 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612535556327) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 73875430 + ... + 73883720.

It is an arithmetic number, because the mean of its divisors is an integer number (8843274272).

Almost surely, 2^612535556325 is an apocalyptic number.

It is an amenable number.

612535556325 is an abundant number, since it is smaller than the sum of its proper divisors (660895938843).

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

612535556325 is a wasteful number, since it uses less digits than its factorization.

612535556325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9496 (or 9480 counting only the distinct ones).

The product of its digits is 4050000, while the sum is 48.

The spelling of 612535556325 in words is "six hundred twelve billion, five hundred thirty-five million, five hundred fifty-six thousand, three hundred twenty-five".