15540535112 has 16 divisors (see below), whose sum is σ = 29140977840. Its totient is φ = 7769607696.

The previous prime is 15540535103. The next prime is 15540535121. The reversal of 15540535112 is 21153504551.

It is an interprime number because it is at equal distance from previous prime (15540535103) and next prime (15540535121).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26003 + ... + 178205.

It is an arithmetic number, because the mean of its divisors is an integer number (1821311115).

Almost surely, 2^15540535112 is an apocalyptic number.

It is an amenable number.

15540535112 is a deficient number, since it is larger than the sum of its proper divisors (13600442728).

15540535112 is a wasteful number, since it uses less digits than its factorization.

15540535112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164972 (or 164968 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 15540535112 in words is "fifteen billion, five hundred forty million, five hundred thirty-five thousand, one hundred twelve".