72411624156061 has 2 divisors, whose sum is σ = 72411624156062. Its totient is φ = 72411624156060.

The previous prime is 72411624156023. The next prime is 72411624156163. The reversal of 72411624156061 is 16065142611427.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68462700059961 + 3948924096100 = 8274219^2 + 1987190^2 .

It is a cyclic number.

It is not a de Polignac number, because 72411624156061 - 2¹⁷ = 72411624024989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72411624156761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36205812078030 + 36205812078031.

It is an arithmetic number, because the mean of its divisors is an integer number (36205812078031).

Almost surely, 2^{72411624156061} is an apocalyptic number.

It is an amenable number.

72411624156061 is a deficient number, since it is larger than the sum of its proper divisors (1).

72411624156061 is an equidigital number, since it uses as much as digits as its factorization.

72411624156061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

Adding to 72411624156061 its reverse (16065142611427), we get a palindrome (88476766767488).

The spelling of 72411624156061 in words is "seventy-two trillion, four hundred eleven billion, six hundred twenty-four million, one hundred fifty-six thousand, sixty-one".