61201134448 has 20 divisors (see below), whose sum is σ = 118782722320. Its totient is φ = 30547528704.

The previous prime is 61201134391. The next prime is 61201134457. The reversal of 61201134448 is 84443110216.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3305388 + ... + 3323851.

It is an arithmetic number, because the mean of its divisors is an integer number (5939136116).

Almost surely, 2^61201134448 is an apocalyptic number.

It is an amenable number.

61201134448 is a deficient number, since it is larger than the sum of its proper divisors (57581587872).

61201134448 is a wasteful number, since it uses less digits than its factorization.

61201134448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6629824 (or 6629818 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 61201134448 in words is "sixty-one billion, two hundred one million, one hundred thirty-four thousand, four hundred forty-eight".