1100899061 has 2 divisors, whose sum is σ = 1100899062. Its totient is φ = 1100899060.

The previous prime is 1100899031. The next prime is 1100899067. The reversal of 1100899061 is 1609980011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 998180836 + 102718225 = 31594^2 + 10135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100899061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100899067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550449530 + 550449531.

It is an arithmetic number, because the mean of its divisors is an integer number (550449531).

Almost surely, 2^1100899061 is an apocalyptic number.

It is an amenable number.

1100899061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100899061 is an equidigital number, since it uses as much as digits as its factorization.

1100899061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 35.

The square root of 1100899061 is about 33179.7989897468. The cubic root of 1100899061 is about 1032.5612760801.

The spelling of 1100899061 in words is "one billion, one hundred million, eight hundred ninety-nine thousand, sixty-one".