72613637372051 has 2 divisors, whose sum is σ = 72613637372052. Its totient is φ = 72613637372050.

The previous prime is 72613637372047. The next prime is 72613637372167. The reversal of 72613637372051 is 15027373631627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72613637372051 - 2² = 72613637372047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72613637371984 and 72613637372002.

It is not a weakly prime, because it can be changed into another prime (72613637362051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36306818686025 + 36306818686026.

It is an arithmetic number, because the mean of its divisors is an integer number (36306818686026).

Almost surely, 2^{72613637372051} is an apocalyptic number.

72613637372051 is a deficient number, since it is larger than the sum of its proper divisors (1).

72613637372051 is an equidigital number, since it uses as much as digits as its factorization.

72613637372051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6667920, while the sum is 53.

The spelling of 72613637372051 in words is "seventy-two trillion, six hundred thirteen billion, six hundred thirty-seven million, three hundred seventy-two thousand, fifty-one".