15345052403131 has 32 divisors (see below), whose sum is σ = 17338276800000. Its totient is φ = 13452706176000.

The previous prime is 15345052403129. The next prime is 15345052403173. The reversal of 15345052403131 is 13130425054351.

It is a cyclic number.

It is not a de Polignac number, because 15345052403131 - 2¹ = 15345052403129 is a prime.

It is a super-2 number, since 2×15345052403131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15345052403731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1199669346 + ... + 1199682136.

It is an arithmetic number, because the mean of its divisors is an integer number (541821150000).

Almost surely, 2^{15345052403131} is an apocalyptic number.

15345052403131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15345052403131 is a deficient number, since it is larger than the sum of its proper divisors (1993224396869).

15345052403131 is a wasteful number, since it uses less digits than its factorization.

15345052403131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17091.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 15345052403131 its reverse (13130425054351), we get a palindrome (28475477457482).

The spelling of 15345052403131 in words is "fifteen trillion, three hundred forty-five billion, fifty-two million, four hundred three thousand, one hundred thirty-one".