15651050651 has 2 divisors, whose sum is σ = 15651050652. Its totient is φ = 15651050650.

The previous prime is 15651050627. The next prime is 15651050659. The reversal of 15651050651 is 15605015651.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15651050651 - 2²² = 15646856347 is a prime.

It is a super-3 number, since 3×15651050651³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (15651050659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7825525325 + 7825525326.

It is an arithmetic number, because the mean of its divisors is an integer number (7825525326).

Almost surely, 2^15651050651 is an apocalyptic number.

15651050651 is a deficient number, since it is larger than the sum of its proper divisors (1).

15651050651 is an equidigital number, since it uses as much as digits as its factorization.

15651050651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 15651050651 in words is "fifteen billion, six hundred fifty-one million, fifty thousand, six hundred fifty-one".