11011132431400 has 48 divisors (see below), whose sum is σ = 25601182429500. Its totient is φ = 4404401441280.

The previous prime is 11011132431373. The next prime is 11011132431421. The reversal of 11011132431400 is 413423111011.

It can be written as a sum of positive squares in 6 ways, for example, as 1793022765444 + 9218109665956 = 1339038^2 + 3036134^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20018454 + ... + 20561146.

Almost surely, 2^{11011132431400} is an apocalyptic number.

11011132431400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011132431400 is an abundant number, since it is smaller than the sum of its proper divisors (14590049998100).

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

11011132431400 is a wasteful number, since it uses less digits than its factorization.

11011132431400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644158 (or 644149 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 11011132431400 its reverse (413423111011), we get a palindrome (11424555542411).

The spelling of 11011132431400 in words is "eleven trillion, eleven billion, one hundred thirty-two million, four hundred thirty-one thousand, four hundred".