10572247081 has 4 divisors (see below), whose sum is σ = 11533360464. Its totient is φ = 9611133700.

The previous prime is 10572247039. The next prime is 10572247097. The reversal of 10572247081 is 18074227501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10572247081 is a prime.

It is a super-2 number, since 2×10572247081² (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 10572247081.

It is not an unprimeable number, because it can be changed into a prime (10572247001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480556675 + ... + 480556696.

It is an arithmetic number, because the mean of its divisors is an integer number (2883340116).

Almost surely, 2^10572247081 is an apocalyptic number.

10572247081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10572247081 is a deficient number, since it is larger than the sum of its proper divisors (961113383).

10572247081 is an equidigital number, since it uses as much as digits as its factorization.

10572247081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961113382.

The product of its (nonzero) digits is 31360, while the sum is 37.

The spelling of 10572247081 in words is "ten billion, five hundred seventy-two million, two hundred forty-seven thousand, eighty-one".