61003876144 has 20 divisors (see below), whose sum is σ = 122270700960. Its totient is φ = 29450146880.

The previous prime is 61003876139. The next prime is 61003876147. The reversal of 61003876144 is 44167830016.

It is a junction number, because it is equal to n+sod(n) for n = 61003876097 and 61003876106.

It is not an unprimeable number, because it can be changed into a prime (61003876147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65736472 + ... + 65737399.

It is an arithmetic number, because the mean of its divisors is an integer number (6113535048).

Almost surely, 2^61003876144 is an apocalyptic number.

It is an amenable number.

61003876144 is an abundant number, since it is smaller than the sum of its proper divisors (61266824816).

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

61003876144 is a wasteful number, since it uses less digits than its factorization.

61003876144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131473908 (or 131473902 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 61003876144 in words is "sixty-one billion, three million, eight hundred seventy-six thousand, one hundred forty-four".