111151654553 has 2 divisors, whose sum is σ = 111151654554. Its totient is φ = 111151654552.

The previous prime is 111151654543. The next prime is 111151654567. The reversal of 111151654553 is 355456151111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70239310729 + 40912343824 = 265027^2 + 202268^2 .

It is a cyclic number.

It is not a de Polignac number, because 111151654553 - 2²⁰ = 111150605977 is a prime.

It is not a weakly prime, because it can be changed into another prime (111151654543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55575827276 + 55575827277.

It is an arithmetic number, because the mean of its divisors is an integer number (55575827277).

Almost surely, 2^111151654553 is an apocalyptic number.

It is an amenable number.

111151654553 is a deficient number, since it is larger than the sum of its proper divisors (1).

111151654553 is an equidigital number, since it uses as much as digits as its factorization.

111151654553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45000, while the sum is 38.

The spelling of 111151654553 in words is "one hundred eleven billion, one hundred fifty-one million, six hundred fifty-four thousand, five hundred fifty-three".