61005363488 has 48 divisors (see below), whose sum is σ = 122112585504. Its totient is φ = 29996812800.

The previous prime is 61005363487. The next prime is 61005363499. The reversal of 61005363488 is 88436350016.

It is a super-2 number, since 2×61005363488² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61005363487) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 404063 + ... + 534113.

It is an arithmetic number, because the mean of its divisors is an integer number (2544012198).

Almost surely, 2^61005363488 is an apocalyptic number.

It is an amenable number.

61005363488 is an abundant number, since it is smaller than the sum of its proper divisors (61107222016).

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

61005363488 is a wasteful number, since it uses less digits than its factorization.

61005363488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130305 (or 130297 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 61005363488 in words is "sixty-one billion, five million, three hundred sixty-three thousand, four hundred eighty-eight".