15541051252 has 24 divisors (see below), whose sum is σ = 27656007680. Its totient is φ = 7639457760.

The previous prime is 15541051157. The next prime is 15541051259. The reversal of 15541051252 is 25215014551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15541051259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532093 + ... + 560539.

Almost surely, 2^15541051252 is an apocalyptic number.

It is an amenable number.

15541051252 is a deficient number, since it is larger than the sum of its proper divisors (12114956428).

15541051252 is a wasteful number, since it uses less digits than its factorization.

15541051252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30751 (or 30749 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 15541051252 in words is "fifteen billion, five hundred forty-one million, fifty-one thousand, two hundred fifty-two".