72962065511 has 4 divisors (see below), whose sum is σ = 72970442400. Its totient is φ = 72953688624.

The previous prime is 72962065469. The next prime is 72962065559. The reversal of 72962065511 is 11556026927.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11556026927 = 457 ⋅25286711.

It is a cyclic number.

It is not a de Polignac number, because 72962065511 - 2²⁶ = 72894956647 is a prime.

It is a super-2 number, since 2×72962065511² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72962065711) 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, 4175366 + ... + 4192803.

It is an arithmetic number, because the mean of its divisors is an integer number (18242610600).

Almost surely, 2^72962065511 is an apocalyptic number.

72962065511 is a deficient number, since it is larger than the sum of its proper divisors (8376889).

72962065511 is an equidigital number, since it uses as much as digits as its factorization.

72962065511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8376888.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 72962065511 in words is "seventy-two billion, nine hundred sixty-two million, sixty-five thousand, five hundred eleven".