61335877171253 has 2 divisors, whose sum is σ = 61335877171254. Its totient is φ = 61335877171252.

The previous prime is 61335877171237. The next prime is 61335877171313. The reversal of 61335877171253 is 35217177853316.

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., 58881036866404 + 2454840304849 = 7673398^2 + 1566793^2 .

It is a cyclic number.

It is not a de Polignac number, because 61335877171253 - 2⁴ = 61335877171237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61335877171192 and 61335877171201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61335877171213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30667938585626 + 30667938585627.

It is an arithmetic number, because the mean of its divisors is an integer number (30667938585627).

Almost surely, 2^{61335877171253} is an apocalyptic number.

It is an amenable number.

61335877171253 is a deficient number, since it is larger than the sum of its proper divisors (1).

61335877171253 is an equidigital number, since it uses as much as digits as its factorization.

61335877171253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22226400, while the sum is 59.

The spelling of 61335877171253 in words is "sixty-one trillion, three hundred thirty-five billion, eight hundred seventy-seven million, one hundred seventy-one thousand, two hundred fifty-three".