61260892817519 has 2 divisors, whose sum is σ = 61260892817520. Its totient is φ = 61260892817518.

The previous prime is 61260892817503. The next prime is 61260892817533. The reversal of 61260892817519 is 91571829806216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61260892817519 - 2⁴ = 61260892817503 is a prime.

It is a super-2 number, since 2×61260892817519² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61260892817569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30630446408759 + 30630446408760.

It is an arithmetic number, because the mean of its divisors is an integer number (30630446408760).

Almost surely, 2^{61260892817519} is an apocalyptic number.

61260892817519 is a deficient number, since it is larger than the sum of its proper divisors (1).

61260892817519 is an equidigital number, since it uses as much as digits as its factorization.

61260892817519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26127360, while the sum is 65.

The spelling of 61260892817519 in words is "sixty-one trillion, two hundred sixty billion, eight hundred ninety-two million, eight hundred seventeen thousand, five hundred nineteen".