15400086161 has 2 divisors, whose sum is σ = 15400086162. Its totient is φ = 15400086160.

The previous prime is 15400086151. The next prime is 15400086199. The reversal of 15400086161 is 16168000451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14419206400 + 980879761 = 120080^2 + 31319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15400086161 is a prime.

It is not a weakly prime, because it can be changed into another prime (15400086151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7700043080 + 7700043081.

It is an arithmetic number, because the mean of its divisors is an integer number (7700043081).

Almost surely, 2^15400086161 is an apocalyptic number.

It is an amenable number.

15400086161 is a deficient number, since it is larger than the sum of its proper divisors (1).

15400086161 is an equidigital number, since it uses as much as digits as its factorization.

15400086161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 15400086161 in words is "fifteen billion, four hundred million, eighty-six thousand, one hundred sixty-one".