11806274597 has 48 divisors (see below), whose sum is σ = 14066671248. Its totient is φ = 9862594560.

The previous prime is 11806274581. The next prime is 11806274603. The reversal of 11806274597 is 79547260811.

It is a happy number.

It can be written as a sum of positive squares in 24 ways, for example, as 7673584801 + 4132689796 = 87599^2 + 64286^2 .

It is not a de Polignac number, because 11806274597 - 2⁴ = 11806274581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11806274567) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8598203 + ... + 8599575.

It is an arithmetic number, because the mean of its divisors is an integer number (293055651).

Almost surely, 2^11806274597 is an apocalyptic number.

11806274597 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11806274597 is a deficient number, since it is larger than the sum of its proper divisors (2260396651).

11806274597 is a wasteful number, since it uses less digits than its factorization.

11806274597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530 (or 1517 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 11806274597 in words is "eleven billion, eight hundred six million, two hundred seventy-four thousand, five hundred ninety-seven".