15524550113 has 2 divisors, whose sum is σ = 15524550114. Its totient is φ = 15524550112.

The previous prime is 15524550091. The next prime is 15524550133. The reversal of 15524550113 is 31105542551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9728468689 + 5796081424 = 98633^2 + 76132^2 .

It is a cyclic number.

It is not a de Polignac number, because 15524550113 - 2⁶ = 15524550049 is a prime.

It is a super-2 number, since 2×15524550113² (a number of 21 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 15524550113.

It is not a weakly prime, because it can be changed into another prime (15524550133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7762275056 + 7762275057.

It is an arithmetic number, because the mean of its divisors is an integer number (7762275057).

Almost surely, 2^15524550113 is an apocalyptic number.

It is an amenable number.

15524550113 is a deficient number, since it is larger than the sum of its proper divisors (1).

15524550113 is an equidigital number, since it uses as much as digits as its factorization.

15524550113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 15524550113 in words is "fifteen billion, five hundred twenty-four million, five hundred fifty thousand, one hundred thirteen".