90101243078002 has 32 divisors (see below), whose sum is σ = 147722149415232. Its totient is φ = 40964063494464.

The previous prime is 90101243077987. The next prime is 90101243078003. The reversal of 90101243078002 is 20087034210109.

It is not an unprimeable number, because it can be changed into a prime (90101243078003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197239753 + ... + 197696035.

It is an arithmetic number, because the mean of its divisors is an integer number (4616317169226).

Almost surely, 2^{90101243078002} is an apocalyptic number.

90101243078002 is a deficient number, since it is larger than the sum of its proper divisors (57620906337230).

90101243078002 is a wasteful number, since it uses less digits than its factorization.

90101243078002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569722.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 90101243078002 in words is "ninety trillion, one hundred one billion, two hundred forty-three million, seventy-eight thousand, two".