15611153113 has 2 divisors, whose sum is σ = 15611153114. Its totient is φ = 15611153112.

The previous prime is 15611153099. The next prime is 15611153119. The reversal of 15611153113 is 31135111651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14832073369 + 779079744 = 121787^2 + 27912^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15611153113 is a prime.

It is not a weakly prime, because it can be changed into another prime (15611153119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7805576556 + 7805576557.

It is an arithmetic number, because the mean of its divisors is an integer number (7805576557).

Almost surely, 2^15611153113 is an apocalyptic number.

It is an amenable number.

15611153113 is a deficient number, since it is larger than the sum of its proper divisors (1).

15611153113 is an equidigital number, since it uses as much as digits as its factorization.

15611153113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 28.

Adding to 15611153113 its reverse (31135111651), we get a palindrome (46746264764).

The spelling of 15611153113 in words is "fifteen billion, six hundred eleven million, one hundred fifty-three thousand, one hundred thirteen".