201081976623359 has 16 divisors (see below), whose sum is σ = 218567152742400. Its totient is φ = 183889721664480.

The previous prime is 201081976623329. The next prime is 201081976623361. The reversal of 201081976623359 is 953326679180102.

It is a de Polignac number, because none of the positive numbers 2^k-201081976623359 is a prime.

It is a super-2 number, since 2×201081976623359² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201081976623329) 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, 97540127 + ... + 99580320.

It is an arithmetic number, because the mean of its divisors is an integer number (13660447046400).

Almost surely, 2^{201081976623359} is an apocalyptic number.

201081976623359 is a deficient number, since it is larger than the sum of its proper divisors (17485176119041).

201081976623359 is a wasteful number, since it uses less digits than its factorization.

201081976623359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197121190.

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 201081976623359 in words is "two hundred one trillion, eighty-one billion, nine hundred seventy-six million, six hundred twenty-three thousand, three hundred fifty-nine".