72055101502011 has 4 divisors (see below), whose sum is σ = 96073468669352. Its totient is φ = 48036734334672.

The previous prime is 72055101501937. The next prime is 72055101502169. The reversal of 72055101502011 is 11020510155027.

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

It is not a de Polignac number, because 72055101502011 - 2²³ = 72055093113403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72055101502011.

It is not an unprimeable number, because it can be changed into a prime (72055151502011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12009183583666 + ... + 12009183583671.

It is an arithmetic number, because the mean of its divisors is an integer number (24018367167338).

Almost surely, 2^{72055101502011} is an apocalyptic number.

72055101502011 is a deficient number, since it is larger than the sum of its proper divisors (24018367167341).

72055101502011 is a wasteful number, since it uses less digits than its factorization.

72055101502011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24018367167340.

The product of its (nonzero) digits is 3500, while the sum is 30.

Adding to 72055101502011 its reverse (11020510155027), we get a palindrome (83075611657038).

The spelling of 72055101502011 in words is "seventy-two trillion, fifty-five billion, one hundred one million, five hundred two thousand, eleven".