61023178450 has 24 divisors (see below), whose sum is σ = 122234121828. Its totient is φ = 22531634880.

The previous prime is 61023178439. The next prime is 61023178493. The reversal of 61023178450 is 5487132016.

It can be written as a sum of positive squares in 6 ways, for example, as 308740041 + 60714438409 = 17571^2 + 246403^2 .

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 11 ways as a sum of consecutive naturals, for example, 46940257 + ... + 46941556.

Almost surely, 2^61023178450 is an apocalyptic number.

61023178450 is an abundant number, since it is smaller than the sum of its proper divisors (61210943378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61023178450 is a wasteful number, since it uses less digits than its factorization.

61023178450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93881838 (or 93881833 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

It can be divided in two parts, 61023178 and 450, that added together give a triangular number (61023628 = T₁₁₀₄₇).

The spelling of 61023178450 in words is "sixty-one billion, twenty-three million, one hundred seventy-eight thousand, four hundred fifty".