90409371411 has 16 divisors (see below), whose sum is σ = 126952317440. Its totient is φ = 57072768480.

The previous prime is 90409371407. The next prime is 90409371421. The reversal of 90409371411 is 11417390409.

It is not a de Polignac number, because 90409371411 - 2² = 90409371407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90409371411.

It is not an unprimeable number, because it can be changed into a prime (90409371421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269275 + ... + 503316.

It is an arithmetic number, because the mean of its divisors is an integer number (7934519840).

Almost surely, 2^90409371411 is an apocalyptic number.

90409371411 is a deficient number, since it is larger than the sum of its proper divisors (36542946029).

90409371411 is a wasteful number, since it uses less digits than its factorization.

90409371411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774666.

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 90409371411 in words is "ninety billion, four hundred nine million, three hundred seventy-one thousand, four hundred eleven".