15361142251 has 48 divisors (see below), whose sum is σ = 20435605344. Its totient is φ = 11405270016.

The previous prime is 15361142197. The next prime is 15361142257. The reversal of 15361142251 is 15224116351.

It is not a de Polignac number, because 15361142251 - 2¹⁵ = 15361109483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15361142257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4037316 + ... + 4041118.

It is an arithmetic number, because the mean of its divisors is an integer number (425741778).

Almost surely, 2^15361142251 is an apocalyptic number.

15361142251 is a deficient number, since it is larger than the sum of its proper divisors (5074463093).

15361142251 is a wasteful number, since it uses less digits than its factorization.

15361142251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220 (or 4213 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The spelling of 15361142251 in words is "fifteen billion, three hundred sixty-one million, one hundred forty-two thousand, two hundred fifty-one".