61277155502047 has 8 divisors (see below), whose sum is σ = 62581034880000. Its totient is φ = 59973280712184.

The previous prime is 61277155501927. The next prime is 61277155502051. The reversal of 61277155502047 is 74020555177216.

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 61277155502047 - 2¹⁵ = 61277155469279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61277155501985 and 61277155502003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61277155508047) 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, 48167454 + ... + 49423252.

It is an arithmetic number, because the mean of its divisors is an integer number (7822629360000).

Almost surely, 2^{61277155502047} is an apocalyptic number.

61277155502047 is a deficient number, since it is larger than the sum of its proper divisors (1303879377953).

61277155502047 is a wasteful number, since it uses less digits than its factorization.

61277155502047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294045.

The product of its (nonzero) digits is 4116000, while the sum is 52.

The spelling of 61277155502047 in words is "sixty-one trillion, two hundred seventy-seven billion, one hundred fifty-five million, five hundred two thousand, forty-seven".