111554054212 has 12 divisors (see below), whose sum is σ = 197232168700. Its totient is φ = 55202006016.

The previous prime is 111554054203. The next prime is 111554054219. The reversal of 111554054212 is 212450455111.

It can be written as a sum of positive squares in 2 ways, for example, as 78363044356 + 33191009856 = 279934^2 + 182184^2 .

It is a super-2 number, since 2×111554054212² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111554054219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143754837 + ... + 143755612.

Almost surely, 2^111554054212 is an apocalyptic number.

It is an amenable number.

111554054212 is a deficient number, since it is larger than the sum of its proper divisors (85678114488).

111554054212 is a wasteful number, since it uses less digits than its factorization.

111554054212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287510550 (or 287510548 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

The spelling of 111554054212 in words is "one hundred eleven billion, five hundred fifty-four million, fifty-four thousand, two hundred twelve".