11554143444204 has 24 divisors (see below), whose sum is σ = 26960410254960. Its totient is φ = 3851275116864.

The previous prime is 11554143444163. The next prime is 11554143444299. The reversal of 11554143444204 is 40244434145511.

It is a super-2 number, since 2×11554143444204² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12799239 + ... + 13672190.

It is an arithmetic number, because the mean of its divisors is an integer number (1123350427290).

Almost surely, 2^{11554143444204} is an apocalyptic number.

It is an amenable number.

11554143444204 is an abundant number, since it is smaller than the sum of its proper divisors (15406266810756).

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

11554143444204 is a wasteful number, since it uses less digits than its factorization.

11554143444204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26507809 (or 26507807 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 42.

Adding to 11554143444204 its reverse (40244434145511), we get a palindrome (51798577589715).

The spelling of 11554143444204 in words is "eleven trillion, five hundred fifty-four billion, one hundred forty-three million, four hundred forty-four thousand, two hundred four".