15312620146361 has 2 divisors, whose sum is σ = 15312620146362. Its totient is φ = 15312620146360.

The previous prime is 15312620146331. The next prime is 15312620146363. The reversal of 15312620146361 is 16364102621351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14653438536361 + 659181610000 = 3827981^2 + 811900^2 .

It is a cyclic number.

It is not a de Polignac number, because 15312620146361 - 2³⁸ = 15037742239417 is a prime.

Together with 15312620146363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15312620146363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7656310073180 + 7656310073181.

It is an arithmetic number, because the mean of its divisors is an integer number (7656310073181).

Almost surely, 2^{15312620146361} is an apocalyptic number.

It is an amenable number.

15312620146361 is a deficient number, since it is larger than the sum of its proper divisors (1).

15312620146361 is an equidigital number, since it uses as much as digits as its factorization.

15312620146361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 15312620146361 in words is "fifteen trillion, three hundred twelve billion, six hundred twenty million, one hundred forty-six thousand, three hundred sixty-one".