15540607132 has 24 divisors (see below), whose sum is σ = 27253255680. Its totient is φ = 7753983600.

The previous prime is 15540607123. The next prime is 15540607151. The reversal of 15540607132 is 23170604551.

It is a congruent number.

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, 5449507 + ... + 5452357.

It is an arithmetic number, because the mean of its divisors is an integer number (1135552320).

Almost surely, 2^15540607132 is an apocalyptic number.

It is an amenable number.

15540607132 is a deficient number, since it is larger than the sum of its proper divisors (11712648548).

15540607132 is a wasteful number, since it uses less digits than its factorization.

15540607132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241 (or 5239 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 15540607132 in words is "fifteen billion, five hundred forty million, six hundred seven thousand, one hundred thirty-two".