61452078840263 has 16 divisors (see below), whose sum is σ = 62045118917856. Its totient is φ = 60859911383040.

The previous prime is 61452078840247. The next prime is 61452078840283. The reversal of 61452078840263 is 36204887025416.

It is a cyclic number.

It is not a de Polignac number, because 61452078840263 - 2⁴ = 61452078840247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61452078840199 and 61452078840208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61452078840203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2587770956 + ... + 2587794702.

It is an arithmetic number, because the mean of its divisors is an integer number (3877819932366).

Almost surely, 2^{61452078840263} is an apocalyptic number.

61452078840263 is a deficient number, since it is larger than the sum of its proper divisors (593040077593).

61452078840263 is a wasteful number, since it uses less digits than its factorization.

61452078840263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41074.

The product of its (nonzero) digits is 15482880, while the sum is 56.

The spelling of 61452078840263 in words is "sixty-one trillion, four hundred fifty-two billion, seventy-eight million, eight hundred forty thousand, two hundred sixty-three".