13154252131522 has 128 divisors (see below), whose sum is σ = 21607744757760. Its totient is φ = 5995444224000.

The previous prime is 13154252131379. The next prime is 13154252131541. The reversal of 13154252131522 is 22513125245131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1081669122 + ... + 1081681282.

It is an arithmetic number, because the mean of its divisors is an integer number (168810505920).

Almost surely, 2^{13154252131522} is an apocalyptic number.

13154252131522 is a deficient number, since it is larger than the sum of its proper divisors (8453492626238).

13154252131522 is a wasteful number, since it uses less digits than its factorization.

13154252131522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12448.

The product of its digits is 72000, while the sum is 37.

Adding to 13154252131522 its reverse (22513125245131), we get a palindrome (35667377376653).

The spelling of 13154252131522 in words is "thirteen trillion, one hundred fifty-four billion, two hundred fifty-two million, one hundred thirty-one thousand, five hundred twenty-two".