611059990 has 8 divisors (see below), whose sum is σ = 1099908000. Its totient is φ = 244423992.

The previous prime is 611059979. The next prime is 611060011. The reversal of 611059990 is 99950116.

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

It is a super-2 number, since 2×611059990² = 746788622757600200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30552990 + ... + 30553009.

It is an arithmetic number, because the mean of its divisors is an integer number (137488500).

Almost surely, 2^611059990 is an apocalyptic number.

611059990 is a deficient number, since it is larger than the sum of its proper divisors (488848010).

611059990 is a wasteful number, since it uses less digits than its factorization.

611059990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61106006.

The product of its (nonzero) digits is 21870, while the sum is 40.

The square root of 611059990 is about 24719.6276266452. The cubic root of 611059990 is about 848.5835648471.

The spelling of 611059990 in words is "six hundred eleven million, fifty-nine thousand, nine hundred ninety".