2111426562 has 96 divisors (see below), whose sum is σ = 4993615872. Its totient is φ = 593381376.

The previous prime is 2111426557. The next prime is 2111426567. The reversal of 2111426562 is 2656241112.

It is an interprime number because it is at equal distance from previous prime (2111426557) and next prime (2111426567).

It is not an unprimeable number, because it can be changed into a prime (2111426567) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7206088 + ... + 7206380.

It is an arithmetic number, because the mean of its divisors is an integer number (52016832).

Almost surely, 2^2111426562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111426562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2496807936).

2111426562 is an abundant number, since it is smaller than the sum of its proper divisors (2882189310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111426562 is a wasteful number, since it uses less digits than its factorization.

2111426562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 625 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 2111426562 is about 45950.2618273280. The cubic root of 2111426562 is about 1282.8976026698.

Adding to 2111426562 its reverse (2656241112), we get a palindrome (4767667674).

The spelling of 2111426562 in words is "two billion, one hundred eleven million, four hundred twenty-six thousand, five hundred sixty-two".