10997948065 has 32 divisors (see below), whose sum is σ = 15146320896. Its totient is φ = 7603115520.

The previous prime is 10997948063. The next prime is 10997948069. The reversal of 10997948065 is 56084979901.

It is not a de Polignac number, because 10997948065 - 2¹ = 10997948063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10997948063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7996 + ... + 148525.

It is an arithmetic number, because the mean of its divisors is an integer number (473322528).

Almost surely, 2^10997948065 is an apocalyptic number.

It is an amenable number.

10997948065 is a deficient number, since it is larger than the sum of its proper divisors (4148372831).

10997948065 is a wasteful number, since it uses less digits than its factorization.

10997948065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156609.

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 10997948065 in words is "ten billion, nine hundred ninety-seven million, nine hundred forty-eight thousand, sixty-five".