90190019011 has 2 divisors, whose sum is σ = 90190019012. Its totient is φ = 90190019010.

The previous prime is 90190018999. The next prime is 90190019047. The reversal of 90190019011 is 11091009109.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90190019011 is a prime.

It is a super-3 number, since 3×90190019011³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (90190016011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45095009505 + 45095009506.

It is an arithmetic number, because the mean of its divisors is an integer number (45095009506).

Almost surely, 2^90190019011 is an apocalyptic number.

90190019011 is a deficient number, since it is larger than the sum of its proper divisors (1).

90190019011 is an equidigital number, since it uses as much as digits as its factorization.

90190019011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 31.

The spelling of 90190019011 in words is "ninety billion, one hundred ninety million, nineteen thousand, eleven".