13541122520 has 32 divisors (see below), whose sum is σ = 30769193520. Its totient is φ = 5362819200.

The previous prime is 13541122519. The next prime is 13541122531. The reversal of 13541122520 is 2522114531.

It is a self number, because there is not a number n which added to its sum of digits gives 13541122520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671842 + ... + 1679921.

Almost surely, 2^13541122520 is an apocalyptic number.

13541122520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13541122520 is an abundant number, since it is smaller than the sum of its proper divisors (17228071000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13541122520 is a wasteful number, since it uses less digits than its factorization.

13541122520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351875 (or 3351871 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 13541122520 in words is "thirteen billion, five hundred forty-one million, one hundred twenty-two thousand, five hundred twenty".