61441519876 has 81 divisors (see below), whose sum is σ = 124944466773. Its totient is φ = 26413453440.

The previous prime is 61441519859. The next prime is 61441519877. The reversal of 61441519876 is 67891514416.

It is a happy number.

The square root of 61441519876 is 247874.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 37779696900 + 23661822976 = 194370^2 + 153824^2 .

It is not an unprimeable number, because it can be changed into a prime (61441519877) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 103611036 + ... + 103611628.

Almost surely, 2^61441519876 is an apocalyptic number.

61441519876 is the 247874-th square number.

It is an amenable number.

61441519876 is an abundant number, since it is smaller than the sum of its proper divisors (63502946897).

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

61441519876 is a wasteful number, since it uses less digits than its factorization.

61441519876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250 (or 625 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 52.

The spelling of 61441519876 in words is "sixty-one billion, four hundred forty-one million, five hundred nineteen thousand, eight hundred seventy-six".