90001251262515 has 16 divisors (see below), whose sum is σ = 151581054758400. Its totient is φ = 45474316427232.

The previous prime is 90001251262513. The next prime is 90001251262537. The reversal of 90001251262515 is 51526215210009.

It is not a de Polignac number, because 90001251262515 - 2¹ = 90001251262513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90001251262513) 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, 157896931755 + ... + 157896932324.

It is an arithmetic number, because the mean of its divisors is an integer number (9473815922400).

Almost surely, 2^{90001251262515} is an apocalyptic number.

90001251262515 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

90001251262515 is a deficient number, since it is larger than the sum of its proper divisors (61579803495885).

90001251262515 is a wasteful number, since it uses less digits than its factorization.

90001251262515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315793864106.

The product of its (nonzero) digits is 54000, while the sum is 39.

The spelling of 90001251262515 in words is "ninety trillion, one billion, two hundred fifty-one million, two hundred sixty-two thousand, five hundred fifteen".