612555441025 has 48 divisors (see below), whose sum is σ = 840393943488. Its totient is φ = 439171200000.

The previous prime is 612555441019. The next prime is 612555441067. The reversal of 612555441025 is 520144555216.

It is not a de Polignac number, because 612555441025 - 2⁷ = 612555440897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47109525 + ... + 47122525.

It is an arithmetic number, because the mean of its divisors is an integer number (17508207156).

Almost surely, 2^612555441025 is an apocalyptic number.

It is an amenable number.

612555441025 is a deficient number, since it is larger than the sum of its proper divisors (227838502463).

612555441025 is a wasteful number, since it uses less digits than its factorization.

612555441025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15442 (or 15437 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 612555441025 in words is "six hundred twelve billion, five hundred fifty-five million, four hundred forty-one thousand, twenty-five".