611001055 has 16 divisors (see below), whose sum is σ = 839615040. Its totient is φ = 418136832.

The previous prime is 611001019. The next prime is 611001059. The reversal of 611001055 is 550100116.

It is a cyclic number.

It is not a de Polignac number, because 611001055 - 2²⁹ = 74130143 is a prime.

It is a super-2 number, since 2×611001055² = 746644578422226050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611001059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667 + ... + 34963.

It is an arithmetic number, because the mean of its divisors is an integer number (52475940).

Almost surely, 2^611001055 is an apocalyptic number.

611001055 is a deficient number, since it is larger than the sum of its proper divisors (228613985).

611001055 is a wasteful number, since it uses less digits than its factorization.

611001055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34818.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 611001055 is about 24718.4355289731. The cubic root of 611001055 is about 848.5562828120.

The spelling of 611001055 in words is "six hundred eleven million, one thousand, fifty-five".