61255817073111 has 16 divisors (see below), whose sum is σ = 86086050474240. Its totient is φ = 38637046221120.

The previous prime is 61255817073067. The next prime is 61255817073127. The reversal of 61255817073111 is 11137071855216.

It is not a de Polignac number, because 61255817073111 - 2⁹ = 61255817072599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61255817073611) 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, 706042995 + ... + 706129748.

It is an arithmetic number, because the mean of its divisors is an integer number (5380378154640).

Almost surely, 2^{61255817073111} is an apocalyptic number.

61255817073111 is a deficient number, since it is larger than the sum of its proper divisors (24830233401129).

61255817073111 is a wasteful number, since it uses less digits than its factorization.

61255817073111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412173526.

The product of its (nonzero) digits is 352800, while the sum is 48.

The spelling of 61255817073111 in words is "sixty-one trillion, two hundred fifty-five billion, eight hundred seventeen million, seventy-three thousand, one hundred eleven".