61424515156 has 24 divisors (see below), whose sum is σ = 108167774400. Its totient is φ = 30519543552.

The previous prime is 61424515151. The next prime is 61424515157. The reversal of 61424515156 is 65151542416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61424515151) by changing a digit.

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, 2726916 + ... + 2749348.

It is an arithmetic number, because the mean of its divisors is an integer number (4506990600).

Almost surely, 2^61424515156 is an apocalyptic number.

It is an amenable number.

61424515156 is a deficient number, since it is larger than the sum of its proper divisors (46743259244).

61424515156 is a wasteful number, since it uses less digits than its factorization.

61424515156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26703 (or 26701 counting only the distinct ones).

The product of its digits is 144000, while the sum is 40.

The spelling of 61424515156 in words is "sixty-one billion, four hundred twenty-four million, five hundred fifteen thousand, one hundred fifty-six".