11725313211 has 6 divisors (see below), whose sum is σ = 16936563540. Its totient is φ = 7816875468.

The previous prime is 11725313177. The next prime is 11725313213. The reversal of 11725313211 is 11231352711.

11725313211 is a `hidden beast` number, since 117 + 2 + 531 + 3 + 2 + 11 = 666.

It is not a de Polignac number, because 11725313211 - 2¹¹ = 11725311163 is a prime.

It is a super-2 number, since 2×11725313211² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11725313213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 651406281 + ... + 651406298.

It is an arithmetic number, because the mean of its divisors is an integer number (2822760590).

Almost surely, 2^11725313211 is an apocalyptic number.

11725313211 is a deficient number, since it is larger than the sum of its proper divisors (5211250329).

11725313211 is a wasteful number, since it uses less digits than its factorization.

11725313211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302812585 (or 1302812582 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

Adding to 11725313211 its reverse (11231352711), we get a palindrome (22956665922).

The spelling of 11725313211 in words is "eleven billion, seven hundred twenty-five million, three hundred thirteen thousand, two hundred eleven".