6111261011 has 4 divisors (see below), whose sum is σ = 6111619800. Its totient is φ = 6110902224.

The previous prime is 6111260989. The next prime is 6111261019. The reversal of 6111261011 is 1101621116.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6111261011 is a prime.

It is a super-2 number, since 2×6111261011² = 74695022289137484242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6111261019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152501 + ... + 188358.

It is an arithmetic number, because the mean of its divisors is an integer number (1527904950).

Almost surely, 2^6111261011 is an apocalyptic number.

6111261011 is a deficient number, since it is larger than the sum of its proper divisors (358789).

6111261011 is a wasteful number, since it uses less digits than its factorization.

6111261011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358788.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 6111261011 is about 78174.5547540886. The cubic root of 6111261011 is about 1828.2837992685.

Adding to 6111261011 its reverse (1101621116), we get a palindrome (7212882127).

The spelling of 6111261011 in words is "six billion, one hundred eleven million, two hundred sixty-one thousand, eleven".