15015412652453 has 2 divisors, whose sum is σ = 15015412652454. Its totient is φ = 15015412652452.

The previous prime is 15015412652437. The next prime is 15015412652467. The reversal of 15015412652453 is 35425621451051.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14979864566689 + 35548085764 = 3870383^2 + 188542^2 .

It is a cyclic number.

It is not a de Polignac number, because 15015412652453 - 2⁴ = 15015412652437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15015412652473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7507706326226 + 7507706326227.

It is an arithmetic number, because the mean of its divisors is an integer number (7507706326227).

Almost surely, 2^{15015412652453} is an apocalyptic number.

It is an amenable number.

15015412652453 is a deficient number, since it is larger than the sum of its proper divisors (1).

15015412652453 is an equidigital number, since it uses as much as digits as its factorization.

15015412652453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 15015412652453 in words is "fifteen trillion, fifteen billion, four hundred twelve million, six hundred fifty-two thousand, four hundred fifty-three".