10972609581 has 16 divisors (see below), whose sum is σ = 15065762624. Its totient is φ = 7099432704.

The previous prime is 10972609577. The next prime is 10972609601. The reversal of 10972609581 is 18590627901.

It is not a de Polignac number, because 10972609581 - 2² = 10972609577 is a prime.

It is a super-2 number, since 2×10972609581² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10972609581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10972609511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250636 + ... + 291141.

It is an arithmetic number, because the mean of its divisors is an integer number (941610164).

Almost surely, 2^10972609581 is an apocalyptic number.

It is an amenable number.

10972609581 is a deficient number, since it is larger than the sum of its proper divisors (4093153043).

10972609581 is a wasteful number, since it uses less digits than its factorization.

10972609581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541980.

The product of its (nonzero) digits is 272160, while the sum is 48.

The spelling of 10972609581 in words is "ten billion, nine hundred seventy-two million, six hundred nine thousand, five hundred eighty-one".