90141541506 has 48 divisors (see below), whose sum is σ = 210697137144. Its totient is φ = 27746115072.

The previous prime is 90141541487. The next prime is 90141541519. The reversal of 90141541506 is 60514514109.

90141541506 is a `hidden beast` number, since 9 + 0 + 141 + 5 + 4 + 1 + 506 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 85319489025 + 4822052481 = 292095^2 + 69441^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2762841 + ... + 2795276.

Almost surely, 2^90141541506 is an apocalyptic number.

90141541506 is an abundant number, since it is smaller than the sum of its proper divisors (120555595638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90141541506 is a wasteful number, since it uses less digits than its factorization.

90141541506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5558195 (or 5558192 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 90141541506 in words is "ninety billion, one hundred forty-one million, five hundred forty-one thousand, five hundred six".