72154316141 has 2 divisors, whose sum is σ = 72154316142. Its totient is φ = 72154316140.

The previous prime is 72154316107. The next prime is 72154316147. The reversal of 72154316141 is 14161345127.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55015578916 + 17138737225 = 234554^2 + 130915^2 .

It is an emirp because it is prime and its reverse (14161345127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72154316141 - 2³⁴ = 54974446957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72154316147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36077158070 + 36077158071.

It is an arithmetic number, because the mean of its divisors is an integer number (36077158071).

Almost surely, 2^72154316141 is an apocalyptic number.

It is an amenable number.

72154316141 is a deficient number, since it is larger than the sum of its proper divisors (1).

72154316141 is an equidigital number, since it uses as much as digits as its factorization.

72154316141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The spelling of 72154316141 in words is "seventy-two billion, one hundred fifty-four million, three hundred sixteen thousand, one hundred forty-one".