10115397761 has 24 divisors (see below), whose sum is σ = 11977770240. Its totient is φ = 8515886400.

The previous prime is 10115397757. The next prime is 10115397863. The reversal of 10115397761 is 16779351101.

It is not a de Polignac number, because 10115397761 - 2² = 10115397757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10115397731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 937445 + ... + 948173.

It is an arithmetic number, because the mean of its divisors is an integer number (499073760).

Almost surely, 2^10115397761 is an apocalyptic number.

It is an amenable number.

10115397761 is a deficient number, since it is larger than the sum of its proper divisors (1862372479).

10115397761 is a wasteful number, since it uses less digits than its factorization.

10115397761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11085 (or 11078 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 41.

The spelling of 10115397761 in words is "ten billion, one hundred fifteen million, three hundred ninety-seven thousand, seven hundred sixty-one".