10972251819 has 20 divisors (see below), whose sum is σ = 16955846160. Its totient is φ = 7062597360.

The previous prime is 10972251799. The next prime is 10972251847. The reversal of 10972251819 is 91815227901.

10972251819 is a `hidden beast` number, since 10 + 97 + 22 + 518 + 19 = 666.

It is not a de Polignac number, because 10972251819 - 2¹² = 10972247723 is a prime.

It is a super-2 number, since 2×10972251819² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (10972251019) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2333167 + ... + 2337864.

It is an arithmetic number, because the mean of its divisors is an integer number (847792308).

Almost surely, 2^10972251819 is an apocalyptic number.

10972251819 is a deficient number, since it is larger than the sum of its proper divisors (5983594341).

10972251819 is an equidigital number, since it uses as much as digits as its factorization.

10972251819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671072 (or 4671063 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 45.

The spelling of 10972251819 in words is "ten billion, nine hundred seventy-two million, two hundred fifty-one thousand, eight hundred nineteen".