61112895128 has 32 divisors (see below), whose sum is σ = 121352839200. Its totient is φ = 28752901632.

The previous prime is 61112895089. The next prime is 61112895139. The reversal of 61112895128 is 82159821116.

61112895128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×61112895128³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630278 + ... + 720746.

It is an arithmetic number, because the mean of its divisors is an integer number (3792276225).

Almost surely, 2^61112895128 is an apocalyptic number.

61112895128 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

61112895128 is a deficient number, since it is larger than the sum of its proper divisors (60239944072).

61112895128 is a wasteful number, since it uses less digits than its factorization.

61112895128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95459 (or 95455 counting only the distinct ones).

The product of its digits is 69120, while the sum is 44.

The spelling of 61112895128 in words is "sixty-one billion, one hundred twelve million, eight hundred ninety-five thousand, one hundred twenty-eight".