15252541251 has 16 divisors (see below), whose sum is σ = 21475933440. Its totient is φ = 9602197920.

The previous prime is 15252541247. The next prime is 15252541261. The reversal of 15252541251 is 15214525251.

It is not a de Polignac number, because 15252541251 - 2² = 15252541247 is a prime.

It is a super-2 number, since 2×15252541251² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15252541201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412480 + ... + 447933.

It is an arithmetic number, because the mean of its divisors is an integer number (1342245840).

Almost surely, 2^15252541251 is an apocalyptic number.

15252541251 is a deficient number, since it is larger than the sum of its proper divisors (6223392189).

15252541251 is a wasteful number, since it uses less digits than its factorization.

15252541251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860746.

The product of its digits is 20000, while the sum is 33.

The spelling of 15252541251 in words is "fifteen billion, two hundred fifty-two million, five hundred forty-one thousand, two hundred fifty-one".