61025424044 has 36 divisors (see below), whose sum is σ = 117746477856. Its totient is φ = 27510523488.

The previous prime is 61025424029. The next prime is 61025424143. The reversal of 61025424044 is 44042452016.

It is a self number, because there is not a number n which added to its sum of digits gives 61025424044.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221204 + ... + 413499.

It is an arithmetic number, because the mean of its divisors is an integer number (3270735496).

Almost surely, 2^61025424044 is an apocalyptic number.

It is an amenable number.

61025424044 is a deficient number, since it is larger than the sum of its proper divisors (56721053812).

61025424044 is a wasteful number, since it uses less digits than its factorization.

61025424044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634806 (or 634761 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 61025424044 in words is "sixty-one billion, twenty-five million, four hundred twenty-four thousand, forty-four".