90571401044701 has 4 divisors (see below), whose sum is σ = 90660109567804. Its totient is φ = 90482692521600.

The previous prime is 90571401044687. The next prime is 90571401044713. The reversal of 90571401044701 is 10744010417509.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60542809417476 + 30028591627225 = 7780926^2 + 5479835^2 .

It is a cyclic number.

It is not a de Polignac number, because 90571401044701 - 2²⁹ = 90570864173789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90571401044731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44354260020 + ... + 44354262061.

It is an arithmetic number, because the mean of its divisors is an integer number (22665027391951).

Almost surely, 2^{90571401044701} is an apocalyptic number.

It is an amenable number.

90571401044701 is a deficient number, since it is larger than the sum of its proper divisors (88708523103).

90571401044701 is a wasteful number, since it uses less digits than its factorization.

90571401044701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88708523102.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 90571401044701 in words is "ninety trillion, five hundred seventy-one billion, four hundred one million, forty-four thousand, seven hundred one".