90181203479411 has 16 divisors (see below), whose sum is σ = 103068743635968. Its totient is φ = 78154148397600.

The previous prime is 90181203479377. The next prime is 90181203479513. The reversal of 90181203479411 is 11497430218109.

It is not a de Polignac number, because 90181203479411 - 2¹⁸ = 90181203217267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90181203479411.

It is not an unprimeable number, because it can be changed into a prime (90181203479911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1973566760 + ... + 1973612453.

It is an arithmetic number, because the mean of its divisors is an integer number (6441796477248).

Almost surely, 2^{90181203479411} is an apocalyptic number.

90181203479411 is a deficient number, since it is larger than the sum of its proper divisors (12887540156557).

90181203479411 is a wasteful number, since it uses less digits than its factorization.

90181203479411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947179322.

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 90181203479411 in words is "ninety trillion, one hundred eighty-one billion, two hundred three million, four hundred seventy-nine thousand, four hundred eleven".