72136552751441 has 2 divisors, whose sum is σ = 72136552751442. Its totient is φ = 72136552751440.

The previous prime is 72136552751423. The next prime is 72136552751521. The reversal of 72136552751441 is 14415725563127.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59379661872400 + 12756890879041 = 7705820^2 + 3571679^2 .

It is a cyclic number.

It is not a de Polignac number, because 72136552751441 - 2¹⁰ = 72136552750417 is a prime.

It is a super-2 number, since 2×72136552751441² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72136552751741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36068276375720 + 36068276375721.

It is an arithmetic number, because the mean of its divisors is an integer number (36068276375721).

Almost surely, 2^{72136552751441} is an apocalyptic number.

It is an amenable number.

72136552751441 is a deficient number, since it is larger than the sum of its proper divisors (1).

72136552751441 is an equidigital number, since it uses as much as digits as its factorization.

72136552751441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056000, while the sum is 53.

The spelling of 72136552751441 in words is "seventy-two trillion, one hundred thirty-six billion, five hundred fifty-two million, seven hundred fifty-one thousand, four hundred forty-one".