35523201040021 has 4 divisors (see below), whose sum is σ = 35679690912672. Its totient is φ = 35366711167372.

The previous prime is 35523201039983. The next prime is 35523201040027. The reversal of 35523201040021 is 12004010232553.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 35523201040021 - 2²³ = 35523192651413 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 (35523201040027) 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, 78244935985 + ... + 78244936438.

It is an arithmetic number, because the mean of its divisors is an integer number (8919922728168).

Almost surely, 2^{35523201040021} is an apocalyptic number.

It is an amenable number.

35523201040021 is a deficient number, since it is larger than the sum of its proper divisors (156489872651).

35523201040021 is a wasteful number, since it uses less digits than its factorization.

35523201040021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156489872650.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 35523201040021 its reverse (12004010232553), we get a palindrome (47527211272574).

The spelling of 35523201040021 in words is "thirty-five trillion, five hundred twenty-three billion, two hundred one million, forty thousand, twenty-one".