11061625231 has 4 divisors (see below), whose sum is σ = 11123422200. Its totient is φ = 10999828264.

The previous prime is 11061625213. The next prime is 11061625271. The reversal of 11061625231 is 13252616011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13252616011 = 29 ⋅456986759.

It is a cyclic number.

It is not a de Polignac number, because 11061625231 - 2⁵ = 11061625199 is a prime.

It is a super-2 number, since 2×11061625231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11061625231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11061625271) 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, 30898216 + ... + 30898573.

It is an arithmetic number, because the mean of its divisors is an integer number (2780855550).

Almost surely, 2^11061625231 is an apocalyptic number.

11061625231 is a deficient number, since it is larger than the sum of its proper divisors (61796969).

11061625231 is an equidigital number, since it uses as much as digits as its factorization.

11061625231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61796968.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 11061625231 in words is "eleven billion, sixty-one million, six hundred twenty-five thousand, two hundred thirty-one".