2311654623541 has 2 divisors, whose sum is σ = 2311654623542. Its totient is φ = 2311654623540.

The previous prime is 2311654623521. The next prime is 2311654623601. The reversal of 2311654623541 is 1453264561132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2302111287441 + 9543336100 = 1517271^2 + 97690^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311654623541 - 2³⁷ = 2174215670069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311654623521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155827311770 + 1155827311771.

It is an arithmetic number, because the mean of its divisors is an integer number (1155827311771).

Almost surely, 2^{2311654623541} is an apocalyptic number.

It is an amenable number.

2311654623541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311654623541 is an equidigital number, since it uses as much as digits as its factorization.

2311654623541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 43.

The spelling of 2311654623541 in words is "two trillion, three hundred eleven billion, six hundred fifty-four million, six hundred twenty-three thousand, five hundred forty-one".