1100655553 has 2 divisors, whose sum is σ = 1100655554. Its totient is φ = 1100655552.

The previous prime is 1100655511. The next prime is 1100655629. The reversal of 1100655553 is 3555560011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1004065969 + 96589584 = 31687^2 + 9828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100655553 is a prime.

It is a super-2 number, since 2×1100655553² = 2422885292699471618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1100655653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550327776 + 550327777.

It is an arithmetic number, because the mean of its divisors is an integer number (550327777).

Almost surely, 2^1100655553 is an apocalyptic number.

It is an amenable number.

1100655553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100655553 is an equidigital number, since it uses as much as digits as its factorization.

1100655553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 1100655553 is about 33176.1292648796. The cubic root of 1100655553 is about 1032.4851396806.

The spelling of 1100655553 in words is "one billion, one hundred million, six hundred fifty-five thousand, five hundred fifty-three".