15415056527173 has 2 divisors, whose sum is σ = 15415056527174. Its totient is φ = 15415056527172.

The previous prime is 15415056527159. The next prime is 15415056527183. The reversal of 15415056527173 is 37172565051451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13338396839329 + 2076659687844 = 3652177^2 + 1441062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15415056527173 is a prime.

It is a super-2 number, since 2×15415056527173² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15415056527173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15415056527183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7707528263586 + 7707528263587.

It is an arithmetic number, because the mean of its divisors is an integer number (7707528263587).

Almost surely, 2^{15415056527173} is an apocalyptic number.

It is an amenable number.

15415056527173 is a deficient number, since it is larger than the sum of its proper divisors (1).

15415056527173 is an equidigital number, since it uses as much as digits as its factorization.

15415056527173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410000, while the sum is 52.

The spelling of 15415056527173 in words is "fifteen trillion, four hundred fifteen billion, fifty-six million, five hundred twenty-seven thousand, one hundred seventy-three".