72653505723115 has 8 divisors (see below), whose sum is σ = 87196154863680. Its totient is φ = 58114839247872.

The previous prime is 72653505723103. The next prime is 72653505723121. The reversal of 72653505723115 is 51132750535627.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72653505723115 - 2²³ = 72653497334507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995626195 + ... + 995699164.

It is an arithmetic number, because the mean of its divisors is an integer number (10899519357960).

Almost surely, 2^{72653505723115} is an apocalyptic number.

72653505723115 is a deficient number, since it is larger than the sum of its proper divisors (14542649140565).

72653505723115 is a wasteful number, since it uses less digits than its factorization.

72653505723115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991332661.

The product of its (nonzero) digits is 6615000, while the sum is 52.

The spelling of 72653505723115 in words is "seventy-two trillion, six hundred fifty-three billion, five hundred five million, seven hundred twenty-three thousand, one hundred fifteen".