61101049998 has 8 divisors (see below), whose sum is σ = 122202100008. Its totient is φ = 20367016664.

The previous prime is 61101049969. The next prime is 61101050029. The reversal of 61101049998 is 89994010116.

It is a happy number.

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

61101049998 is an admirable number.

It is a Curzon number.

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, 5091754161 + ... + 5091754172.

It is an arithmetic number, because the mean of its divisors is an integer number (15275262501).

Almost surely, 2^61101049998 is an apocalyptic number.

61101049998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61101049998 is a wasteful number, since it uses less digits than its factorization.

61101049998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10183508338.

The product of its (nonzero) digits is 139968, while the sum is 48.

The spelling of 61101049998 in words is "sixty-one billion, one hundred one million, forty-nine thousand, nine hundred ninety-eight".