61260026854261 has 8 divisors (see below), whose sum is σ = 61286875328448. Its totient is φ = 61233179820000.

The previous prime is 61260026854171. The next prime is 61260026854291. The reversal of 61260026854261 is 16245862006216.

It is a happy number.

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 61260026854261 - 2³⁹ = 60710271040373 is a prime.

It is a super-2 number, since 2×61260026854261² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61260026854291) 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 7 ways as a sum of consecutive naturals, for example, 89661786 + ... + 90342436.

It is an arithmetic number, because the mean of its divisors is an integer number (7660859416056).

Almost surely, 2^{61260026854261} is an apocalyptic number.

It is an amenable number.

61260026854261 is a deficient number, since it is larger than the sum of its proper divisors (26848474187).

61260026854261 is a wasteful number, since it uses less digits than its factorization.

61260026854261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719963.

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 61260026854261 in words is "sixty-one trillion, two hundred sixty billion, twenty-six million, eight hundred fifty-four thousand, two hundred sixty-one".