61299102244901 has 2 divisors, whose sum is σ = 61299102244902. Its totient is φ = 61299102244900.

The previous prime is 61299102244867. The next prime is 61299102244931. The reversal of 61299102244901 is 10944220199216.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60652959576001 + 646142668900 = 7788001^2 + 803830^2 .

It is a cyclic number.

It is not a de Polignac number, because 61299102244901 - 2⁶ = 61299102244837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61299102244901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61299102244931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30649551122450 + 30649551122451.

It is an arithmetic number, because the mean of its divisors is an integer number (30649551122451).

Almost surely, 2^{61299102244901} is an apocalyptic number.

It is an amenable number.

61299102244901 is a deficient number, since it is larger than the sum of its proper divisors (1).

61299102244901 is an equidigital number, since it uses as much as digits as its factorization.

61299102244901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 61299102244901 in words is "sixty-one trillion, two hundred ninety-nine billion, one hundred two million, two hundred forty-four thousand, nine hundred one".