15045540131 has 4 divisors (see below), whose sum is σ = 15045786264. Its totient is φ = 15045294000.

The previous prime is 15045540119. The next prime is 15045540197. The reversal of 15045540131 is 13104554051.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13104554051 = 227 ⋅57729313.

It is a cyclic number.

It is not a de Polignac number, because 15045540131 - 2¹⁴ = 15045523747 is a prime.

It is a super-2 number, since 2×15045540131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15045540094 and 15045540103.

It is not an unprimeable number, because it can be changed into a prime (15045540931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46556 + ... + 179606.

It is an arithmetic number, because the mean of its divisors is an integer number (3761446566).

Almost surely, 2^15045540131 is an apocalyptic number.

15045540131 is a deficient number, since it is larger than the sum of its proper divisors (246133).

15045540131 is a wasteful number, since it uses less digits than its factorization.

15045540131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246132.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 15045540131 in words is "fifteen billion, forty-five million, five hundred forty thousand, one hundred thirty-one".