15135403214532 has 48 divisors (see below), whose sum is σ = 36456880287744. Its totient is φ = 4882158372000.

The previous prime is 15135403214509. The next prime is 15135403214539. The reversal of 15135403214532 is 23541230453151.

15135403214532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15135403214539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7048057 + ... + 8941247.

It is an arithmetic number, because the mean of its divisors is an integer number (759518339328).

Almost surely, 2^{15135403214532} is an apocalyptic number.

15135403214532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15135403214532 is an abundant number, since it is smaller than the sum of its proper divisors (21321477073212).

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

15135403214532 is a wasteful number, since it uses less digits than its factorization.

15135403214532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914720 (or 1914718 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 15135403214532 its reverse (23541230453151), we get a palindrome (38676633667683).

The spelling of 15135403214532 in words is "fifteen trillion, one hundred thirty-five billion, four hundred three million, two hundred fourteen thousand, five hundred thirty-two".