11140551400 has 96 divisors (see below), whose sum is σ = 29485166400. Its totient is φ = 3874956800.

The previous prime is 11140551391. The next prime is 11140551407. The reversal of 11140551400 is 415504111.

It is a happy number.

It is a super-2 number, since 2×11140551400² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (11140551407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59485 + ... + 160684.

It is an arithmetic number, because the mean of its divisors is an integer number (307137150).

Almost surely, 2^11140551400 is an apocalyptic number.

11140551400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11140551400 is an abundant number, since it is smaller than the sum of its proper divisors (18344615000).

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

11140551400 is a wasteful number, since it uses less digits than its factorization.

11140551400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220219 (or 220210 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The spelling of 11140551400 in words is "eleven billion, one hundred forty million, five hundred fifty-one thousand, four hundred".