61368255526363 has 2 divisors, whose sum is σ = 61368255526364. Its totient is φ = 61368255526362.

The previous prime is 61368255526349. The next prime is 61368255526373. The reversal of 61368255526363 is 36362555286316.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61368255526363 - 2⁹ = 61368255525851 is a prime.

It is not a weakly prime, because it can be changed into another prime (61368255526373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30684127763181 + 30684127763182.

It is an arithmetic number, because the mean of its divisors is an integer number (30684127763182).

Almost surely, 2^{61368255526363} is an apocalyptic number.

61368255526363 is a deficient number, since it is larger than the sum of its proper divisors (1).

61368255526363 is an equidigital number, since it uses as much as digits as its factorization.

61368255526363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968000, while the sum is 61.

The spelling of 61368255526363 in words is "sixty-one trillion, three hundred sixty-eight billion, two hundred fifty-five million, five hundred twenty-six thousand, three hundred sixty-three".