1107090091 has 2 divisors, whose sum is σ = 1107090092. Its totient is φ = 1107090090.

The previous prime is 1107090079. The next prime is 1107090097. The reversal of 1107090091 is 1900907011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1107090091 - 2⁵ = 1107090059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1107090097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553545045 + 553545046.

It is an arithmetic number, because the mean of its divisors is an integer number (553545046).

Almost surely, 2^1107090091 is an apocalyptic number.

1107090091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1107090091 is an equidigital number, since it uses as much as digits as its factorization.

1107090091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 28.

The square root of 1107090091 is about 33272.9633636681. The cubic root of 1107090091 is about 1034.4932339859.

The spelling of 1107090091 in words is "one billion, one hundred seven million, ninety thousand, ninety-one".