61132021318 has 8 divisors (see below), whose sum is σ = 97092033912. Its totient is φ = 28768010016.

The previous prime is 61132021303. The next prime is 61132021367. The reversal of 61132021318 is 81312023116.

It is a happy number.

61132021318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 899000280 + ... + 899000347.

It is an arithmetic number, because the mean of its divisors is an integer number (12136504239).

Almost surely, 2^61132021318 is an apocalyptic number.

61132021318 is a deficient number, since it is larger than the sum of its proper divisors (35960012594).

61132021318 is a wasteful number, since it uses less digits than its factorization.

61132021318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798000646.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 61132021318 in words is "sixty-one billion, one hundred thirty-two million, twenty-one thousand, three hundred eighteen".