90806292151 has 4 divisors (see below), whose sum is σ = 92519618472. Its totient is φ = 89092965832.

The previous prime is 90806292121. The next prime is 90806292167. The reversal of 90806292151 is 15129260809.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90806292151 - 2¹¹ = 90806290103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90806292098 and 90806292107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90806292121) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 856663081 + ... + 856663186.

It is an arithmetic number, because the mean of its divisors is an integer number (23129904618).

Almost surely, 2^90806292151 is an apocalyptic number.

90806292151 is a deficient number, since it is larger than the sum of its proper divisors (1713326321).

90806292151 is a wasteful number, since it uses less digits than its factorization.

90806292151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713326320.

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 90806292151 in words is "ninety billion, eight hundred six million, two hundred ninety-two thousand, one hundred fifty-one".