72132131222311 has 8 divisors (see below), whose sum is σ = 76968676431920. Its totient is φ = 67399597737792.

The previous prime is 72132131222219. The next prime is 72132131222329. The reversal of 72132131222311 is 11322213123127.

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 72132131222311 - 2¹⁵ = 72132131189543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72132131220311) 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, 26002929840 + ... + 26002932613.

It is an arithmetic number, because the mean of its divisors is an integer number (9621084553990).

Almost surely, 2^{72132131222311} is an apocalyptic number.

72132131222311 is a deficient number, since it is larger than the sum of its proper divisors (4836545209609).

72132131222311 is a wasteful number, since it uses less digits than its factorization.

72132131222311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52005862545.

The product of its digits is 6048, while the sum is 31.

Adding to 72132131222311 its reverse (11322213123127), we get a palindrome (83454344345438).

The spelling of 72132131222311 in words is "seventy-two trillion, one hundred thirty-two billion, one hundred thirty-one million, two hundred twenty-two thousand, three hundred eleven".