2111587464 has 32 divisors (see below), whose sum is σ = 6033107520. Its totient is φ = 603310656.

The previous prime is 2111587463. The next prime is 2111587487. The reversal of 2111587464 is 4647851112.

It is not an unprimeable number, because it can be changed into a prime (2111587463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6284319 + ... + 6284654.

It is an arithmetic number, because the mean of its divisors is an integer number (188534610).

Almost surely, 2^2111587464 is an apocalyptic number.

2111587464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2111587464 is an abundant number, since it is smaller than the sum of its proper divisors (3921520056).

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

2111587464 is a wasteful number, since it uses less digits than its factorization.

2111587464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12568989 (or 12568985 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 2111587464 is about 45952.0126218646. The cubic root of 2111587464 is about 1282.9301897290.

The spelling of 2111587464 in words is "two billion, one hundred eleven million, five hundred eighty-seven thousand, four hundred sixty-four".