611020099 has 2 divisors, whose sum is σ = 611020100. Its totient is φ = 611020098.

The previous prime is 611020087. The next prime is 611020117. The reversal of 611020099 is 990020116.

611020099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611020099 is a prime.

It is a super-2 number, since 2×611020099² = 746691122763939602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (611020009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305510049 + 305510050.

It is an arithmetic number, because the mean of its divisors is an integer number (305510050).

Almost surely, 2^611020099 is an apocalyptic number.

611020099 is a deficient number, since it is larger than the sum of its proper divisors (1).

611020099 is an equidigital number, since it uses as much as digits as its factorization.

611020099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 611020099 is about 24718.8207445258. The cubic root of 611020099 is about 848.5650988022.

The spelling of 611020099 in words is "six hundred eleven million, twenty thousand, ninety-nine".