15125022551 has 4 divisors (see below), whose sum is σ = 15126448512. Its totient is φ = 15123596592.

The previous prime is 15125022443. The next prime is 15125022559. The reversal of 15125022551 is 15522052151.

15125022551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15125022551 - 2¹⁴ = 15125006167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15125022559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696950 + ... + 718323.

It is an arithmetic number, because the mean of its divisors is an integer number (3781612128).

Almost surely, 2^15125022551 is an apocalyptic number.

15125022551 is a deficient number, since it is larger than the sum of its proper divisors (1425961).

15125022551 is a wasteful number, since it uses less digits than its factorization.

15125022551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425960.

The product of its (nonzero) digits is 5000, while the sum is 29.

The spelling of 15125022551 in words is "fifteen billion, one hundred twenty-five million, twenty-two thousand, five hundred fifty-one".