2961253111 has 4 divisors (see below), whose sum is σ = 2979420472. Its totient is φ = 2943085752.

The previous prime is 2961253109. The next prime is 2961253117. The reversal of 2961253111 is 1113521692.

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

It is a cyclic number.

It is not a de Polignac number, because 2961253111 - 2¹ = 2961253109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2961253117) 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, 9083436 + ... + 9083761.

It is an arithmetic number, because the mean of its divisors is an integer number (744855118).

Almost surely, 2^2961253111 is an apocalyptic number.

2961253111 is a deficient number, since it is larger than the sum of its proper divisors (18167361).

2961253111 is a wasteful number, since it uses less digits than its factorization.

2961253111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18167360.

The product of its digits is 3240, while the sum is 31.

The square root of 2961253111 is about 54417.3971354750. The cubic root of 2961253111 is about 1436.0134578635.

The spelling of 2961253111 in words is "two billion, nine hundred sixty-one million, two hundred fifty-three thousand, one hundred eleven".