11138725207 has 4 divisors (see below), whose sum is σ = 11139047496. Its totient is φ = 11138402920.

The previous prime is 11138725201. The next prime is 11138725229. The reversal of 11138725207 is 70252783111.

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

It is a cyclic number.

It is not a de Polignac number, because 11138725207 - 2²³ = 11130336599 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 (11138725201) 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, 102088 + ... + 180829.

It is an arithmetic number, because the mean of its divisors is an integer number (2784761874).

Almost surely, 2^11138725207 is an apocalyptic number.

11138725207 is a deficient number, since it is larger than the sum of its proper divisors (322289).

11138725207 is an equidigital number, since it uses as much as digits as its factorization.

11138725207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322288.

The product of its (nonzero) digits is 23520, while the sum is 37.

The spelling of 11138725207 in words is "eleven billion, one hundred thirty-eight million, seven hundred twenty-five thousand, two hundred seven".