90151775890814 has 32 divisors (see below), whose sum is σ = 148338103691232. Its totient is φ = 40751137152000.

The previous prime is 90151775890769. The next prime is 90151775890849. The reversal of 90151775890814 is 41809857715109.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540262034 + ... + 540428874.

It is an arithmetic number, because the mean of its divisors is an integer number (4635565740351).

Almost surely, 2^{90151775890814} is an apocalyptic number.

90151775890814 is a deficient number, since it is larger than the sum of its proper divisors (58186327800418).

90151775890814 is a wasteful number, since it uses less digits than its factorization.

90151775890814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302732.

The product of its (nonzero) digits is 25401600, while the sum is 65.

The spelling of 90151775890814 in words is "ninety trillion, one hundred fifty-one billion, seven hundred seventy-five million, eight hundred ninety thousand, eight hundred fourteen".