61028863755 has 8 divisors (see below), whose sum is σ = 97646182032. Its totient is φ = 32548727328.

The previous prime is 61028863729. The next prime is 61028863801. The reversal of 61028863755 is 55736882016.

It is a happy number.

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

It is not a de Polignac number, because 61028863755 - 2⁵ = 61028863723 is a prime.

It is a super-2 number, since 2×61028863755² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61028863698 and 61028863707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2034295444 + ... + 2034295473.

It is an arithmetic number, because the mean of its divisors is an integer number (12205772754).

Almost surely, 2^61028863755 is an apocalyptic number.

61028863755 is a deficient number, since it is larger than the sum of its proper divisors (36617318277).

61028863755 is a wasteful number, since it uses less digits than its factorization.

61028863755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068590925.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 61028863755 in words is "sixty-one billion, twenty-eight million, eight hundred sixty-three thousand, seven hundred fifty-five".