90531454732511 has 8 divisors (see below), whose sum is σ = 97592038583760. Its totient is φ = 83484674566272.

The previous prime is 90531454732391. The next prime is 90531454732517. The reversal of 90531454732511 is 11523745413509.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 90531454732511 - 2¹⁸ = 90531454470367 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 90531454732511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90531454732517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3450907625 + ... + 3450933858.

It is an arithmetic number, because the mean of its divisors is an integer number (12199004822970).

Almost surely, 2^{90531454732511} is an apocalyptic number.

90531454732511 is a deficient number, since it is larger than the sum of its proper divisors (7060583851249).

90531454732511 is a wasteful number, since it uses less digits than its factorization.

90531454732511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6901842505.

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 90531454732511 in words is "ninety trillion, five hundred thirty-one billion, four hundred fifty-four million, seven hundred thirty-two thousand, five hundred eleven".