15325220157 has 8 divisors (see below), whose sum is σ = 22005444384. Its totient is φ = 9430904688.

The previous prime is 15325220149. The next prime is 15325220161. The reversal of 15325220157 is 75102252351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15325220157 - 2³ = 15325220149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15325220117) 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, 196477143 + ... + 196477220.

It is an arithmetic number, because the mean of its divisors is an integer number (2750680548).

Almost surely, 2^15325220157 is an apocalyptic number.

It is an amenable number.

15325220157 is a deficient number, since it is larger than the sum of its proper divisors (6680224227).

15325220157 is a wasteful number, since it uses less digits than its factorization.

15325220157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392954379.

The product of its (nonzero) digits is 21000, while the sum is 33.

The spelling of 15325220157 in words is "fifteen billion, three hundred twenty-five million, two hundred twenty thousand, one hundred fifty-seven".