11206621725 has 48 divisors (see below), whose sum is σ = 19992595392. Its totient is φ = 5506306560.

The previous prime is 11206621711. The next prime is 11206621733. The reversal of 11206621725 is 52712660211.

It is not a de Polignac number, because 11206621725 - 2⁷ = 11206621597 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 498937 + ... + 520913.

It is an arithmetic number, because the mean of its divisors is an integer number (416512404).

Almost surely, 2^11206621725 is an apocalyptic number.

11206621725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11206621725 is a deficient number, since it is larger than the sum of its proper divisors (8785973667).

11206621725 is a wasteful number, since it uses less digits than its factorization.

11206621725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22526 (or 22521 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 11206621725 in words is "eleven billion, two hundred six million, six hundred twenty-one thousand, seven hundred twenty-five".