10807371945 has 20 divisors (see below), whose sum is σ = 19373215620. Its totient is φ = 5763931488.

The previous prime is 10807371941. The next prime is 10807371989. The reversal of 10807371945 is 54917370801.

It can be written as a sum of positive squares in 2 ways, for example, as 4082059881 + 6725312064 = 63891^2 + 82008^2 .

It is not a de Polignac number, because 10807371945 - 2² = 10807371941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 10807371945.

It is not an unprimeable number, because it can be changed into a prime (10807371941) 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, 13342030 + ... + 13342839.

It is an arithmetic number, because the mean of its divisors is an integer number (968660781).

Almost surely, 2^10807371945 is an apocalyptic number.

10807371945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10807371945 is a deficient number, since it is larger than the sum of its proper divisors (8565843675).

10807371945 is an equidigital number, since it uses as much as digits as its factorization.

10807371945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26684886 (or 26684877 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 10807371945 in words is "ten billion, eight hundred seven million, three hundred seventy-one thousand, nine hundred forty-five".