15530416157 has 2 divisors, whose sum is σ = 15530416158. Its totient is φ = 15530416156.

The previous prime is 15530416127. The next prime is 15530416163. The reversal of 15530416157 is 75161403551.

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., 15180950521 + 349465636 = 123211^2 + 18694^2 .

It is a cyclic number.

It is not a de Polignac number, because 15530416157 - 2⁶ = 15530416093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15530416157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15530416127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7765208078 + 7765208079.

It is an arithmetic number, because the mean of its divisors is an integer number (7765208079).

Almost surely, 2^15530416157 is an apocalyptic number.

It is an amenable number.

15530416157 is a deficient number, since it is larger than the sum of its proper divisors (1).

15530416157 is an equidigital number, since it uses as much as digits as its factorization.

15530416157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 15530416157 in words is "fifteen billion, five hundred thirty million, four hundred sixteen thousand, one hundred fifty-seven".