10511640373 has 4 divisors (see below), whose sum is σ = 11320228108. Its totient is φ = 9703052640.

The previous prime is 10511640283. The next prime is 10511640473. The reversal of 10511640373 is 37304611501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3405656164 + 7105984209 = 58358^2 + 84297^2 .

It is a cyclic number.

It is not a de Polignac number, because 10511640373 - 2¹⁷ = 10511509301 is a prime.

It is a super-2 number, since 2×10511640373² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10511640473) 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, 404293848 + ... + 404293873.

It is an arithmetic number, because the mean of its divisors is an integer number (2830057027).

Almost surely, 2^10511640373 is an apocalyptic number.

10511640373 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10511640373 is a deficient number, since it is larger than the sum of its proper divisors (808587735).

10511640373 is an equidigital number, since it uses as much as digits as its factorization.

10511640373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808587734.

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 10511640373 in words is "ten billion, five hundred eleven million, six hundred forty thousand, three hundred seventy-three".