11177402040 has 96 divisors (see below), whose sum is σ = 41516074080. Its totient is φ = 2554834176.

The previous prime is 11177402021. The next prime is 11177402051. The reversal of 11177402040 is 4020477111.

It is a junction number, because it is equal to n+sod(n) for n = 11177401995 and 11177402013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2215219 + ... + 2220258.

It is an arithmetic number, because the mean of its divisors is an integer number (432459105).

Almost surely, 2^11177402040 is an apocalyptic number.

11177402040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11177402040 is an abundant number, since it is smaller than the sum of its proper divisors (30338672040).

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

11177402040 is a wasteful number, since it uses less digits than its factorization.

11177402040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435501 (or 4435494 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

Adding to 11177402040 its reverse (4020477111), we get a palindrome (15197879151).

The spelling of 11177402040 in words is "eleven billion, one hundred seventy-seven million, four hundred two thousand, forty".