72115061161202 has 16 divisors (see below), whose sum is σ = 112719489015960. Its totient is φ = 34560049442688.

The previous prime is 72115061161139. The next prime is 72115061161223. The reversal of 72115061161202 is 20216116051127.

It can be written as a sum of positive squares in 4 ways, for example, as 71949565971481 + 165495189721 = 8482309^2 + 406811^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4537813673 + ... + 4537829564.

Almost surely, 2^{72115061161202} is an apocalyptic number.

72115061161202 is a deficient number, since it is larger than the sum of its proper divisors (40604427854758).

72115061161202 is a wasteful number, since it uses less digits than its factorization.

72115061161202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9075643405.

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 72115061161202 in words is "seventy-two trillion, one hundred fifteen billion, sixty-one million, one hundred sixty-one thousand, two hundred two".