72655203105011 has 8 divisors (see below), whose sum is σ = 74201525604864. Its totient is φ = 71108900068360.

The previous prime is 72655203105007. The next prime is 72655203105049. The reversal of 72655203105011 is 11050130255627.

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 72655203105011 - 2² = 72655203105007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72655203105811) 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, 2806946 + ... + 12376968.

It is an arithmetic number, because the mean of its divisors is an integer number (9275190700608).

Almost surely, 2^{72655203105011} is an apocalyptic number.

72655203105011 is a deficient number, since it is larger than the sum of its proper divisors (1546322499853).

72655203105011 is a wasteful number, since it uses less digits than its factorization.

72655203105011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9731601.

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 72655203105011 in words is "seventy-two trillion, six hundred fifty-five billion, two hundred three million, one hundred five thousand, eleven".