61451452484928 has 224 divisors, whose sum is σ = 200020637214720. Its totient is φ = 18343716779520.

The previous prime is 61451452484927. The next prime is 61451452484963. The reversal of 61451452484928 is 82948425415416.

61451452484928 is a `hidden beast` number, since 6 + 1 + 4 + 5 + 1 + 4 + 524 + 84 + 9 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61451452484927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22852776 + ... + 25399847.

It is an arithmetic number, because the mean of its divisors is an integer number (892949273280).

Almost surely, 2^{61451452484928} is an apocalyptic number.

It is an amenable number.

61451452484928 is an abundant number, since it is smaller than the sum of its proper divisors (138569184729792).

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

61451452484928 is a wasteful number, since it uses less digits than its factorization.

61451452484928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48252722 (or 48252706 counting only the distinct ones).

The product of its digits is 88473600, while the sum is 63.

The spelling of 61451452484928 in words is "sixty-one trillion, four hundred fifty-one billion, four hundred fifty-two million, four hundred eighty-four thousand, nine hundred twenty-eight".