90125144405 has 8 divisors (see below), whose sum is σ = 108172135584. Its totient is φ = 72085474000.

The previous prime is 90125144359. The next prime is 90125144449. The reversal of 90125144405 is 50444152109.

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

It is not a de Polignac number, because 90125144405 - 2⁸ = 90125144149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1803071 + ... + 1852380.

It is an arithmetic number, because the mean of its divisors is an integer number (13521516948).

Almost surely, 2^90125144405 is an apocalyptic number.

It is an amenable number.

90125144405 is a deficient number, since it is larger than the sum of its proper divisors (18046991179).

90125144405 is a wasteful number, since it uses less digits than its factorization.

90125144405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660387.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 90125144405 in words is "ninety billion, one hundred twenty-five million, one hundred forty-four thousand, four hundred five".