72002115011 has 8 divisors (see below), whose sum is σ = 73081354944. Its totient is φ = 70923009960.

The previous prime is 72002114999. The next prime is 72002115151. The reversal of 72002115011 is 11051120027.

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 a de Polignac number, because none of the positive numbers 2^k-72002115011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72002115511) 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, 1716656 + ... + 1758098.

It is an arithmetic number, because the mean of its divisors is an integer number (9135169368).

Almost surely, 2^72002115011 is an apocalyptic number.

72002115011 is a deficient number, since it is larger than the sum of its proper divisors (1079239933).

72002115011 is a wasteful number, since it uses less digits than its factorization.

72002115011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67441.

The product of its (nonzero) digits is 140, while the sum is 20.

Adding to 72002115011 its reverse (11051120027), we get a palindrome (83053235038).

The spelling of 72002115011 in words is "seventy-two billion, two million, one hundred fifteen thousand, eleven".