111054553 has 2 divisors, whose sum is σ = 111054554. Its totient is φ = 111054552.

The previous prime is 111054547. The next prime is 111054589. The reversal of 111054553 is 355450111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100641024 + 10413529 = 10032^2 + 3227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111054553 is a prime.

It is a super-2 number, since 2×111054553² = 24666227484059618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111052553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55527276 + 55527277.

It is an arithmetic number, because the mean of its divisors is an integer number (55527277).

Almost surely, 2^111054553 is an apocalyptic number.

It is an amenable number.

111054553 is a deficient number, since it is larger than the sum of its proper divisors (1).

111054553 is an equidigital number, since it uses as much as digits as its factorization.

111054553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 111054553 is about 10538.2424056386. The cubic root of 111054553 is about 480.6682720133.

The spelling of 111054553 in words is "one hundred eleven million, fifty-four thousand, five hundred fifty-three".