15015275057 has 2 divisors, whose sum is σ = 15015275058. Its totient is φ = 15015275056.

The previous prime is 15015275003. The next prime is 15015275083. The reversal of 15015275057 is 75057251051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14795316496 + 219958561 = 121636^2 + 14831^2 .

It is a cyclic number.

It is not a de Polignac number, because 15015275057 - 2⁶ = 15015274993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15015275057.

It is not a weakly prime, because it can be changed into another prime (15015205057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7507637528 + 7507637529.

It is an arithmetic number, because the mean of its divisors is an integer number (7507637529).

Almost surely, 2^15015275057 is an apocalyptic number.

It is an amenable number.

15015275057 is a deficient number, since it is larger than the sum of its proper divisors (1).

15015275057 is an equidigital number, since it uses as much as digits as its factorization.

15015275057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61250, while the sum is 38.

The spelling of 15015275057 in words is "fifteen billion, fifteen million, two hundred seventy-five thousand, fifty-seven".