1000090190091 has 8 divisors (see below), whose sum is σ = 1333768766464. Its totient is φ = 666569203560.

The previous prime is 1000090190081. The next prime is 1000090190129. The reversal of 1000090190091 is 1900910900001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1000090190091 - 2⁵ = 1000090190059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000090190081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39382651 + ... + 39408036.

It is an arithmetic number, because the mean of its divisors is an integer number (166721095808).

Almost surely, 2^{1000090190091} is an apocalyptic number.

1000090190091 is a deficient number, since it is larger than the sum of its proper divisors (333678576373).

1000090190091 is an equidigital number, since it uses as much as digits as its factorization.

1000090190091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78794921.

The product of its (nonzero) digits is 729, while the sum is 30.

The spelling of 1000090190091 in words is "one trillion, ninety million, one hundred ninety thousand, ninety-one".