61255817034743 has 8 divisors (see below), whose sum is σ = 62422770337056. Its totient is φ = 60089277924000.

The previous prime is 61255817034733. The next prime is 61255817034793. The reversal of 61255817034743 is 34743071855216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61255817034743 - 2¹⁸ = 61255816772599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61255817034733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103249283 + ... + 103840868.

It is an arithmetic number, because the mean of its divisors is an integer number (7802846292132).

Almost surely, 2^{61255817034743} is an apocalyptic number.

61255817034743 is a deficient number, since it is larger than the sum of its proper divisors (1166953302313).

61255817034743 is a wasteful number, since it uses less digits than its factorization.

61255817034743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207095785.

The product of its (nonzero) digits is 16934400, while the sum is 56.

Adding to 61255817034743 its reverse (34743071855216), we get a palindrome (95998888889959).

The spelling of 61255817034743 in words is "sixty-one trillion, two hundred fifty-five billion, eight hundred seventeen million, thirty-four thousand, seven hundred forty-three".