11255774577 has 8 divisors (see below), whose sum is σ = 15011341920. Its totient is φ = 7502028480.

The previous prime is 11255774573. The next prime is 11255774599. The reversal of 11255774577 is 77547755211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11255774577 - 2² = 11255774573 is a prime.

It is a super-2 number, since 2×11255774577² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11255774573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440824 + ... + 465657.

It is an arithmetic number, because the mean of its divisors is an integer number (1876417740).

Almost surely, 2^11255774577 is an apocalyptic number.

It is an amenable number.

11255774577 is a deficient number, since it is larger than the sum of its proper divisors (3755567343).

11255774577 is an equidigital number, since it uses as much as digits as its factorization.

11255774577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910623.

The product of its digits is 2401000, while the sum is 51.

The spelling of 11255774577 in words is "eleven billion, two hundred fifty-five million, seven hundred seventy-four thousand, five hundred seventy-seven".