13515000452132 has 12 divisors (see below), whose sum is σ = 25042500837900. Its totient is φ = 6360000212736.

The previous prime is 13515000452131. The next prime is 13515000452147. The reversal of 13515000452132 is 23125400051531.

It can be written as a sum of positive squares in 2 ways, for example, as 11927864098276 + 1587136353856 = 3453674^2 + 1259816^2 .

It is a super-3 number, since 3×13515000452132³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (13515000452131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99375003257 + ... + 99375003392.

It is an arithmetic number, because the mean of its divisors is an integer number (2086875069825).

Almost surely, 2^{13515000452132} is an apocalyptic number.

It is an amenable number.

13515000452132 is a deficient number, since it is larger than the sum of its proper divisors (11527500385768).

13515000452132 is a wasteful number, since it uses less digits than its factorization.

13515000452132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198750006670 (or 198750006668 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 13515000452132 in words is "thirteen trillion, five hundred fifteen billion, four hundred fifty-two thousand, one hundred thirty-two".