13531121522 has 8 divisors (see below), whose sum is σ = 20442702000. Its totient is φ = 6716887524.

The previous prime is 13531121509. The next prime is 13531121533. The reversal of 13531121522 is 22512113531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13531121491 and 13531121500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24336272 + ... + 24336827.

It is an arithmetic number, because the mean of its divisors is an integer number (2555337750).

Almost surely, 2^13531121522 is an apocalyptic number.

13531121522 is a deficient number, since it is larger than the sum of its proper divisors (6911580478).

13531121522 is a wasteful number, since it uses less digits than its factorization.

13531121522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48673240.

The product of its digits is 1800, while the sum is 26.

The spelling of 13531121522 in words is "thirteen billion, five hundred thirty-one million, one hundred twenty-one thousand, five hundred twenty-two".