11018577131 has 4 divisors (see below), whose sum is σ = 11125553712. Its totient is φ = 10911600552.

The previous prime is 11018577113. The next prime is 11018577151. The reversal of 11018577131 is 13177581011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13177581011 = 7 ⋅1882511573.

It is a cyclic number.

It is not a de Polignac number, because 11018577131 - 2¹⁴ = 11018560747 is a prime.

It is a super-2 number, since 2×11018577131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11018577091 and 11018577100.

It is not an unprimeable number, because it can be changed into a prime (11018577151) 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, 53488136 + ... + 53488341.

It is an arithmetic number, because the mean of its divisors is an integer number (2781388428).

Almost surely, 2^11018577131 is an apocalyptic number.

11018577131 is a deficient number, since it is larger than the sum of its proper divisors (106976581).

11018577131 is a wasteful number, since it uses less digits than its factorization.

11018577131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106976580.

The product of its (nonzero) digits is 5880, while the sum is 35.

The spelling of 11018577131 in words is "eleven billion, eighteen million, five hundred seventy-seven thousand, one hundred thirty-one".