15551116937 has 8 divisors (see below), whose sum is σ = 16259784000. Its totient is φ = 14845160880.

The previous prime is 15551116901. The next prime is 15551116957. The reversal of 15551116937 is 73961115551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15551116937 - 2¹⁰ = 15551115913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15551116957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666014 + ... + 688967.

It is an arithmetic number, because the mean of its divisors is an integer number (2032473000).

Almost surely, 2^15551116937 is an apocalyptic number.

It is an amenable number.

15551116937 is a deficient number, since it is larger than the sum of its proper divisors (708667063).

15551116937 is a wasteful number, since it uses less digits than its factorization.

15551116937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355503.

The product of its digits is 141750, while the sum is 44.

The spelling of 15551116937 in words is "fifteen billion, five hundred fifty-one million, one hundred sixteen thousand, nine hundred thirty-seven".