72137200811 has 8 divisors (see below), whose sum is σ = 78455388144. Its totient is φ = 65928895200.

The previous prime is 72137200799. The next prime is 72137200841. The reversal of 72137200811 is 11800273127.

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-72137200811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72137200841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27469061 + ... + 27471686.

It is an arithmetic number, because the mean of its divisors is an integer number (9806923518).

Almost surely, 2^72137200811 is an apocalyptic number.

72137200811 is a deficient number, since it is larger than the sum of its proper divisors (6318187333).

72137200811 is a wasteful number, since it uses less digits than its factorization.

72137200811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54940861.

The product of its (nonzero) digits is 4704, while the sum is 32.

Adding to 72137200811 its reverse (11800273127), we get a palindrome (83937473938).

The spelling of 72137200811 in words is "seventy-two billion, one hundred thirty-seven million, two hundred thousand, eight hundred eleven".