90049187011 has 8 divisors (see below), whose sum is σ = 104323129184. Its totient is φ = 76127688000.

The previous prime is 90049186987. The next prime is 90049187047. The reversal of 90049187011 is 11078194009.

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

It is not a de Polignac number, because 90049187011 - 2¹¹ = 90049184963 is a prime.

It is a super-2 number, since 2×90049187011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90049182011) 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, 88110240 + ... + 88111261.

It is an arithmetic number, because the mean of its divisors is an integer number (13040391148).

Almost surely, 2^90049187011 is an apocalyptic number.

90049187011 is a deficient number, since it is larger than the sum of its proper divisors (14273942173).

90049187011 is a wasteful number, since it uses less digits than its factorization.

90049187011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176221581.

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 90049187011 in words is "ninety billion, forty-nine million, one hundred eighty-seven thousand, eleven".