10615503901 has 2 divisors, whose sum is σ = 10615503902. Its totient is φ = 10615503900.

The previous prime is 10615503887. The next prime is 10615503917. The reversal of 10615503901 is 10930551601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9389803801 + 1225700100 = 96901^2 + 35010^2 .

It is a cyclic number.

It is not a de Polignac number, because 10615503901 - 2²⁷ = 10481286173 is a prime.

It is a super-2 number, since 2×10615503901² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10615503601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5307751950 + 5307751951.

It is an arithmetic number, because the mean of its divisors is an integer number (5307751951).

Almost surely, 2^10615503901 is an apocalyptic number.

It is an amenable number.

10615503901 is a deficient number, since it is larger than the sum of its proper divisors (1).

10615503901 is an equidigital number, since it uses as much as digits as its factorization.

10615503901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 31.

The spelling of 10615503901 in words is "ten billion, six hundred fifteen million, five hundred three thousand, nine hundred one".