13552620506500 has 24 divisors (see below), whose sum is σ = 29598923187288. Its totient is φ = 5421048202400.

The previous prime is 13552620506497. The next prime is 13552620506519. The reversal of 13552620506500 is 560502625531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2781503470656 + 10771117035844 = 1667784^2 + 3281938^2 .

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, 13552620007 + ... + 13552621006.

It is an arithmetic number, because the mean of its divisors is an integer number (1233288466137).

Almost surely, 2^{13552620506500} is an apocalyptic number.

13552620506500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13552620506500 is an abundant number, since it is smaller than the sum of its proper divisors (16046302680788).

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

13552620506500 is a wasteful number, since it uses less digits than its factorization.

13552620506500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27105241032 (or 27105241020 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 13552620506500 in words is "thirteen trillion, five hundred fifty-two billion, six hundred twenty million, five hundred six thousand, five hundred".