3155112011 has 4 divisors (see below), whose sum is σ = 3155440392. Its totient is φ = 3154783632.

The previous prime is 3155111983. The next prime is 3155112019. The reversal of 3155112011 is 1102115513.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1102115513 = 21893 ⋅50341.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3155112011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3155112019) 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, 149330 + ... + 169143.

It is an arithmetic number, because the mean of its divisors is an integer number (788860098).

Almost surely, 2^3155112011 is an apocalyptic number.

3155112011 is a deficient number, since it is larger than the sum of its proper divisors (328381).

3155112011 is an equidigital number, since it uses as much as digits as its factorization.

3155112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328380.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 3155112011 is about 56170.3837533624. The cubic root of 3155112011 is about 1466.6897625897.

Adding to 3155112011 its reverse (1102115513), we get a palindrome (4257227524).

The spelling of 3155112011 in words is "three billion, one hundred fifty-five million, one hundred twelve thousand, eleven".