111541321255204 has 24 divisors (see below), whose sum is σ = 202713967101240. Its totient is φ = 53638010904576.

The previous prime is 111541321255201. The next prime is 111541321255237. The reversal of 111541321255204 is 402552123145111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 77465522102500 + 34075799152704 = 8801450^2 + 5837448^2 .

It is not an unprimeable number, because it can be changed into a prime (111541321255201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870715547 + ... + 1870775170.

It is an arithmetic number, because the mean of its divisors is an integer number (8446415295885).

Almost surely, 2^{111541321255204} is an apocalyptic number.

It is an amenable number.

111541321255204 is a deficient number, since it is larger than the sum of its proper divisors (91172645846036).

111541321255204 is a wasteful number, since it uses less digits than its factorization.

111541321255204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741491007 (or 3741491005 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 37.

The spelling of 111541321255204 in words is "one hundred eleven trillion, five hundred forty-one billion, three hundred twenty-one million, two hundred fifty-five thousand, two hundred four".