13557363752 has 8 divisors (see below), whose sum is σ = 25420057050. Its totient is φ = 6778681872.

The previous prime is 13557363739. The next prime is 13557363763. The reversal of 13557363752 is 25736375531.

It can be written as a sum of positive squares in only one way, i.e., 12032773636 + 1524590116 = 109694^2 + 39046^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13557363752² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13557363697 and 13557363706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 847335227 + ... + 847335242.

Almost surely, 2^13557363752 is an apocalyptic number.

It is an amenable number.

13557363752 is a deficient number, since it is larger than the sum of its proper divisors (11862693298).

13557363752 is a wasteful number, since it uses less digits than its factorization.

13557363752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694670475 (or 1694670471 counting only the distinct ones).

The product of its digits is 1984500, while the sum is 47.

The spelling of 13557363752 in words is "thirteen billion, five hundred fifty-seven million, three hundred sixty-three thousand, seven hundred fifty-two".