13555513252 has 6 divisors (see below), whose sum is σ = 23722148198. Its totient is φ = 6777756624.

The previous prime is 13555513247. The next prime is 13555513259. The reversal of 13555513252 is 25231555531.

It can be written as a sum of positive squares in only one way, i.e., 9600864256 + 3954648996 = 97984^2 + 62886^2 .

It is not an unprimeable number, because it can be changed into a prime (13555513259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1694439153 + ... + 1694439160.

Almost surely, 2^13555513252 is an apocalyptic number.

It is an amenable number.

13555513252 is a deficient number, since it is larger than the sum of its proper divisors (10166634946).

13555513252 is a wasteful number, since it uses less digits than its factorization.

13555513252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388878317 (or 3388878315 counting only the distinct ones).

The product of its digits is 112500, while the sum is 37.

The spelling of 13555513252 in words is "thirteen billion, five hundred fifty-five million, five hundred thirteen thousand, two hundred fifty-two".