11725671337 has 4 divisors (see below), whose sum is σ = 11726326096. Its totient is φ = 11725016580.

The previous prime is 11725671281. The next prime is 11725671383. The reversal of 11725671337 is 73317652711.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73317652711 = 73 ⋅1004351407.

It is a cyclic number.

It is not a de Polignac number, because 11725671337 - 2²⁷ = 11591453609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11725671293 and 11725671302.

It is not an unprimeable number, because it can be changed into a prime (11725971337) 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, 299739 + ... + 336592.

It is an arithmetic number, because the mean of its divisors is an integer number (2931581524).

Almost surely, 2^11725671337 is an apocalyptic number.

It is an amenable number.

11725671337 is a deficient number, since it is larger than the sum of its proper divisors (654759).

11725671337 is an equidigital number, since it uses as much as digits as its factorization.

11725671337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654758.

The product of its digits is 185220, while the sum is 43.

The spelling of 11725671337 in words is "eleven billion, seven hundred twenty-five million, six hundred seventy-one thousand, three hundred thirty-seven".