15000827117 has 2 divisors, whose sum is σ = 15000827118. Its totient is φ = 15000827116.

The previous prime is 15000827063. The next prime is 15000827137. The reversal of 15000827117 is 71172800051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7612737001 + 7388090116 = 87251^2 + 85954^2 .

It is a cyclic number.

It is not a de Polignac number, because 15000827117 - 2³² = 10705859821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15000827137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7500413558 + 7500413559.

It is an arithmetic number, because the mean of its divisors is an integer number (7500413559).

Almost surely, 2^15000827117 is an apocalyptic number.

It is an amenable number.

15000827117 is a deficient number, since it is larger than the sum of its proper divisors (1).

15000827117 is an equidigital number, since it uses as much as digits as its factorization.

15000827117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 32.

The spelling of 15000827117 in words is "fifteen billion, eight hundred twenty-seven thousand, one hundred seventeen".