515523253025 has 12 divisors (see below), whose sum is σ = 697362364464. Its totient is φ = 374926002000.

The previous prime is 515523252983. The next prime is 515523253031. The reversal of 515523253025 is 520352325515.

It is not a de Polignac number, because 515523253025 - 2¹⁰ = 515523252001 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 515523253025.

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, 937314731 + ... + 937315280.

It is an arithmetic number, because the mean of its divisors is an integer number (58113530372).

Almost surely, 2^515523253025 is an apocalyptic number.

515523253025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

515523253025 is a deficient number, since it is larger than the sum of its proper divisors (181839111439).

515523253025 is a wasteful number, since it uses less digits than its factorization.

515523253025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874630032 (or 1874630027 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 515523253025 in words is "five hundred fifteen billion, five hundred twenty-three million, two hundred fifty-three thousand, twenty-five".