11140591400 has 48 divisors (see below), whose sum is σ = 25915127040. Its totient is φ = 4453956800.

The previous prime is 11140591333. The next prime is 11140591409. The reversal of 11140591400 is 419504111.

It is a Cunningham number, because it is equal to 105549²-1.

It is a super-2 number, since 2×11140591400² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11140591400.

It is not an unprimeable number, because it can be changed into a prime (11140591409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 409007 + ... + 435393.

It is an arithmetic number, because the mean of its divisors is an integer number (539898480).

Almost surely, 2^11140591400 is an apocalyptic number.

11140591400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11140591400 is an abundant number, since it is smaller than the sum of its proper divisors (14774535640).

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

11140591400 is a wasteful number, since it uses less digits than its factorization.

11140591400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28514 (or 28505 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 11140591400 in words is "eleven billion, one hundred forty million, five hundred ninety-one thousand, four hundred".