15252545205 has 12 divisors (see below), whose sum is σ = 26437745100. Its totient is φ = 8134690752.

The previous prime is 15252545141. The next prime is 15252545213. The reversal of 15252545205 is 50254525251.

15252545205 is a `hidden beast` number, since 152 + 52 + 5 + 452 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9463009284 + 5789535921 = 97278^2 + 76089^2 .

It is not a de Polignac number, because 15252545205 - 2⁶ = 15252545141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15252545205.

It is a congruent number.

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, 169472680 + ... + 169472769.

It is an arithmetic number, because the mean of its divisors is an integer number (2203145425).

Almost surely, 2^15252545205 is an apocalyptic number.

15252545205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15252545205 is a deficient number, since it is larger than the sum of its proper divisors (11185199895).

15252545205 is a wasteful number, since it uses less digits than its factorization.

15252545205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338945460 (or 338945457 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The spelling of 15252545205 in words is "fifteen billion, two hundred fifty-two million, five hundred forty-five thousand, two hundred five".