15431411113 has 2 divisors, whose sum is σ = 15431411114. Its totient is φ = 15431411112.

The previous prime is 15431411101. The next prime is 15431411117. The reversal of 15431411113 is 31111413451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13268044969 + 2163366144 = 115187^2 + 46512^2 .

It is a cyclic number.

It is not a de Polignac number, because 15431411113 - 2⁵ = 15431411081 is a prime.

It is not a weakly prime, because it can be changed into another prime (15431411117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7715705556 + 7715705557.

It is an arithmetic number, because the mean of its divisors is an integer number (7715705557).

Almost surely, 2^15431411113 is an apocalyptic number.

It is an amenable number.

15431411113 is a deficient number, since it is larger than the sum of its proper divisors (1).

15431411113 is an equidigital number, since it uses as much as digits as its factorization.

15431411113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 25.

Adding to 15431411113 its reverse (31111413451), we get a palindrome (46542824564).

The spelling of 15431411113 in words is "fifteen billion, four hundred thirty-one million, four hundred eleven thousand, one hundred thirteen".