15651423053 has 8 divisors (see below), whose sum is σ = 18252388800. Its totient is φ = 13415505180.

The previous prime is 15651423049. The next prime is 15651423091. The reversal of 15651423053 is 35032415651.

It is not a de Polignac number, because 15651423053 - 2² = 15651423049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15651423553) 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, 22815143 + ... + 22815828.

It is an arithmetic number, because the mean of its divisors is an integer number (2281548600).

Almost surely, 2^15651423053 is an apocalyptic number.

It is an amenable number.

15651423053 is a deficient number, since it is larger than the sum of its proper divisors (2600965747).

15651423053 is an frugal number, since it uses more digits than its factorization.

15651423053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45630992 (or 45630978 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 15651423053 in words is "fifteen billion, six hundred fifty-one million, four hundred twenty-three thousand, fifty-three".