11125261005 has 32 divisors (see below), whose sum is σ = 18247752576. Its totient is φ = 5785737984.

The previous prime is 11125260967. The next prime is 11125261013. The reversal of 11125261005 is 50016252111.

It is not a de Polignac number, because 11125261005 - 2⁶ = 11125260941 is a prime.

It is a super-2 number, since 2×11125261005² (a number of 21 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 86659 + ... + 172511.

It is an arithmetic number, because the mean of its divisors is an integer number (570242268).

Almost surely, 2^11125261005 is an apocalyptic number.

11125261005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11125261005 is a deficient number, since it is larger than the sum of its proper divisors (7122491571).

11125261005 is a wasteful number, since it uses less digits than its factorization.

11125261005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86077.

The product of its (nonzero) digits is 600, while the sum is 24.

The spelling of 11125261005 in words is "eleven billion, one hundred twenty-five million, two hundred sixty-one thousand, five".