13551267680 has 48 divisors (see below), whose sum is σ = 32759418384. Its totient is φ = 5294446080.

The previous prime is 13551267679. The next prime is 13551267683. The reversal of 13551267680 is 8676215531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13551267683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977951 + ... + 991710.

It is an arithmetic number, because the mean of its divisors is an integer number (682487883).

Almost surely, 2^13551267680 is an apocalyptic number.

13551267680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13551267680 is an abundant number, since it is smaller than the sum of its proper divisors (19208150704).

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

13551267680 is a wasteful number, since it uses less digits than its factorization.

13551267680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969719 (or 1969711 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 13551267680 in words is "thirteen billion, five hundred fifty-one million, two hundred sixty-seven thousand, six hundred eighty".