90504490526515 has 64 divisors (see below), whose sum is σ = 118293799244544. Its totient is φ = 66076236914688.

The previous prime is 90504490526467. The next prime is 90504490526557. The reversal of 90504490526515 is 51562509440509.

It is not a de Polignac number, because 90504490526515 - 2⁹ = 90504490526003 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12610347607 + ... + 12610354783.

It is an arithmetic number, because the mean of its divisors is an integer number (1848340613196).

Almost surely, 2^{90504490526515} is an apocalyptic number.

90504490526515 is a deficient number, since it is larger than the sum of its proper divisors (27789308718029).

90504490526515 is a wasteful number, since it uses less digits than its factorization.

90504490526515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13456.

The product of its (nonzero) digits is 9720000, while the sum is 55.

The spelling of 90504490526515 in words is "ninety trillion, five hundred four billion, four hundred ninety million, five hundred twenty-six thousand, five hundred fifteen".