61013454042 has 16 divisors (see below), whose sum is σ = 122123846880. Its totient is φ = 20321661552.

The previous prime is 61013454011. The next prime is 61013454083. The reversal of 61013454042 is 24045431016.

It is a super-2 number, since 2×61013454042² (a number of 22 digits) contains 22 as substring.

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, 4030933 + ... + 4046040.

It is an arithmetic number, because the mean of its divisors is an integer number (7632740430).

Almost surely, 2^61013454042 is an apocalyptic number.

61013454042 is an abundant number, since it is smaller than the sum of its proper divisors (61110392838).

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

61013454042 is a wasteful number, since it uses less digits than its factorization.

61013454042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078237.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 61013454042 its reverse (24045431016), we get a palindrome (85058885058).

The spelling of 61013454042 in words is "sixty-one billion, thirteen million, four hundred fifty-four thousand, forty-two".