61249126880 has 24 divisors (see below), whose sum is σ = 144701062632. Its totient is φ = 24499650688.

The previous prime is 61249126879. The next prime is 61249126909. The reversal of 61249126880 is 8862194216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191403362 + ... + 191403681.

It is an arithmetic number, because the mean of its divisors is an integer number (6029210943).

Almost surely, 2^61249126880 is an apocalyptic number.

It is an amenable number.

61249126880 is an abundant number, since it is smaller than the sum of its proper divisors (83451935752).

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

61249126880 is a wasteful number, since it uses less digits than its factorization.

61249126880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382807058 (or 382807050 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 61249126880 in words is "sixty-one billion, two hundred forty-nine million, one hundred twenty-six thousand, eight hundred eighty".