611799012 has 288 divisors, whose sum is σ = 1906544640. Its totient is φ = 163296000.

The previous prime is 611798983. The next prime is 611799017. The reversal of 611799012 is 210997116.

It is a super-2 number, since 2×611799012² = 748596062168352288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (611799017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10029462 + ... + 10029522.

Almost surely, 2^611799012 is an apocalyptic number.

611799012 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611799012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (953272320).

611799012 is an abundant number, since it is smaller than the sum of its proper divisors (1294745628).

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

611799012 is a wasteful number, since it uses less digits than its factorization.

611799012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 36.

The square root of 611799012 is about 24734.5711909465. The cubic root of 611799012 is about 848.9255221494.

The spelling of 611799012 in words is "six hundred eleven million, seven hundred ninety-nine thousand, twelve".