11131541154 has 40 divisors (see below), whose sum is σ = 25047348480. Its totient is φ = 3694975704.

The previous prime is 11131541149. The next prime is 11131541189. The reversal of 11131541154 is 45114513111.

It is a happy number.

11131541154 is a `hidden beast` number, since 1 + 113 + 1 + 541 + 1 + 5 + 4 = 666.

It is a super-2 number, since 2×11131541154² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 105034 + ... + 182469.

It is an arithmetic number, because the mean of its divisors is an integer number (626183712).

Almost surely, 2^11131541154 is an apocalyptic number.

11131541154 is an abundant number, since it is smaller than the sum of its proper divisors (13915807326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11131541154 is a wasteful number, since it uses less digits than its factorization.

11131541154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287756 (or 287747 counting only the distinct ones).

The product of its digits is 1200, while the sum is 27.

The spelling of 11131541154 in words is "eleven billion, one hundred thirty-one million, five hundred forty-one thousand, one hundred fifty-four".