10922973985 has 16 divisors (see below), whose sum is σ = 16341904512. Its totient is φ = 6809126400.

The previous prime is 10922973949. The next prime is 10922973989. The reversal of 10922973985 is 58937922901.

It is a de Polignac number, because none of the positive numbers 2^k-10922973985 is a prime.

It is a super-2 number, since 2×10922973985² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10922973989) 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, 14185296 + ... + 14186065.

It is an arithmetic number, because the mean of its divisors is an integer number (1021369032).

Almost surely, 2^10922973985 is an apocalyptic number.

It is an amenable number.

10922973985 is a deficient number, since it is larger than the sum of its proper divisors (5418930527).

10922973985 is a wasteful number, since it uses less digits than its factorization.

10922973985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28371384.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 10922973985 in words is "ten billion, nine hundred twenty-two million, nine hundred seventy-three thousand, nine hundred eighty-five".