72150015801 has 8 divisors (see below), whose sum is σ = 96222209440. Its totient is φ = 48088916352.

The previous prime is 72150015739. The next prime is 72150015811. The reversal of 72150015801 is 10851005127.

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

It is not a de Polignac number, because 72150015801 - 2⁶ = 72150015737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72150015811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2758360 + ... + 2784393.

It is an arithmetic number, because the mean of its divisors is an integer number (12027776180).

Almost surely, 2^72150015801 is an apocalyptic number.

It is an amenable number.

72150015801 is a deficient number, since it is larger than the sum of its proper divisors (24072193639).

72150015801 is a wasteful number, since it uses less digits than its factorization.

72150015801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5547095.

The product of its (nonzero) digits is 2800, while the sum is 30.

The spelling of 72150015801 in words is "seventy-two billion, one hundred fifty million, fifteen thousand, eight hundred one".