72100862611 has 2 divisors, whose sum is σ = 72100862612. Its totient is φ = 72100862610.

The previous prime is 72100862569. The next prime is 72100862633. The reversal of 72100862611 is 11626800127.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72100862611 - 2¹¹ = 72100860563 is a prime.

It is a super-3 number, since 3×72100862611³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (72100862651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36050431305 + 36050431306.

It is an arithmetic number, because the mean of its divisors is an integer number (36050431306).

Almost surely, 2^72100862611 is an apocalyptic number.

72100862611 is a deficient number, since it is larger than the sum of its proper divisors (1).

72100862611 is an equidigital number, since it uses as much as digits as its factorization.

72100862611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 72100862611 in words is "seventy-two billion, one hundred million, eight hundred sixty-two thousand, six hundred eleven".