111276055430554 has 128 divisors (see below), whose sum is σ = 199128222720000. Its totient is φ = 46603370552256.

The previous prime is 111276055430461. The next prime is 111276055430629. The reversal of 111276055430554 is 455034550672111.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 111276055430498 and 111276055430507.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5678209084 + ... + 5678228680.

It is an arithmetic number, because the mean of its divisors is an integer number (1555689240000).

Almost surely, 2^{111276055430554} is an apocalyptic number.

111276055430554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

111276055430554 is a deficient number, since it is larger than the sum of its proper divisors (87852167289446).

111276055430554 is a wasteful number, since it uses less digits than its factorization.

111276055430554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20505 (or 20491 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 49.

The spelling of 111276055430554 in words is "one hundred eleven trillion, two hundred seventy-six billion, fifty-five million, four hundred thirty thousand, five hundred fifty-four".