15651260051 has 24 divisors (see below), whose sum is σ = 19279941120. Its totient is φ = 12438788976.

The previous prime is 15651260033. The next prime is 15651260059. The reversal of 15651260051 is 15006215651.

15651260051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15651260051 - 2²² = 15647065747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15651260059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52880 + ... + 184658.

It is an arithmetic number, because the mean of its divisors is an integer number (803330880).

Almost surely, 2^15651260051 is an apocalyptic number.

15651260051 is a deficient number, since it is larger than the sum of its proper divisors (3628681069).

15651260051 is a wasteful number, since it uses less digits than its factorization.

15651260051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131871 (or 131852 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 15651260051 in words is "fifteen billion, six hundred fifty-one million, two hundred sixty thousand, fifty-one".