15042524431 has 16 divisors (see below), whose sum is σ = 17008536960. Its totient is φ = 13178077920.

The previous prime is 15042524429. The next prime is 15042524437. The reversal of 15042524431 is 13442524051.

It is not a de Polignac number, because 15042524431 - 2¹ = 15042524429 is a prime.

It is a super-2 number, since 2×15042524431² (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 = 15042524393 and 15042524402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15042524437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121756 + ... + 211918.

It is an arithmetic number, because the mean of its divisors is an integer number (1063033560).

Almost surely, 2^15042524431 is an apocalyptic number.

15042524431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15042524431 is a deficient number, since it is larger than the sum of its proper divisors (1966012529).

15042524431 is a wasteful number, since it uses less digits than its factorization.

15042524431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90726.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 15042524431 in words is "fifteen billion, forty-two million, five hundred twenty-four thousand, four hundred thirty-one".