61052810644 has 48 divisors (see below), whose sum is σ = 127491840000. Its totient is φ = 25012681056.

The previous prime is 61052810633. The next prime is 61052810647. The reversal of 61052810644 is 44601825016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61052810647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1066257 + ... + 1122055.

It is an arithmetic number, because the mean of its divisors is an integer number (2656080000).

Almost surely, 2^61052810644 is an apocalyptic number.

It is an amenable number.

61052810644 is an abundant number, since it is smaller than the sum of its proper divisors (66439029356).

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

61052810644 is a wasteful number, since it uses less digits than its factorization.

61052810644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57532 (or 57530 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 61052810644 in words is "sixty-one billion, fifty-two million, eight hundred ten thousand, six hundred forty-four".