72050101015 has 4 divisors (see below), whose sum is σ = 86460121224. Its totient is φ = 57640080808.

The previous prime is 72050100979. The next prime is 72050101021. The reversal of 72050101015 is 51010105027.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72050101015 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7205010097 + ... + 7205010106.

It is an arithmetic number, because the mean of its divisors is an integer number (21615030306).

Almost surely, 2^72050101015 is an apocalyptic number.

72050101015 is a deficient number, since it is larger than the sum of its proper divisors (14410020209).

72050101015 is a wasteful number, since it uses less digits than its factorization.

72050101015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14410020208.

The product of its (nonzero) digits is 350, while the sum is 22.

The spelling of 72050101015 in words is "seventy-two billion, fifty million, one hundred one thousand, fifteen".