15162046021 has 2 divisors, whose sum is σ = 15162046022. Its totient is φ = 15162046020.

The previous prime is 15162046001. The next prime is 15162046057. The reversal of 15162046021 is 12064026151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12847089025 + 2314956996 = 113345^2 + 48114^2 .

It is a cyclic number.

It is not a de Polignac number, because 15162046021 - 2¹⁵ = 15162013253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15162046001) by changing a digit.

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 as a sum of consecutive naturals, namely, 7581023010 + 7581023011.

It is an arithmetic number, because the mean of its divisors is an integer number (7581023011).

Almost surely, 2^15162046021 is an apocalyptic number.

It is an amenable number.

15162046021 is a deficient number, since it is larger than the sum of its proper divisors (1).

15162046021 is an equidigital number, since it uses as much as digits as its factorization.

15162046021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 15162046021 in words is "fifteen billion, one hundred sixty-two million, forty-six thousand, twenty-one".