2151126486 has 12 divisors (see below), whose sum is σ = 4660774092. Its totient is φ = 717042156.

The previous prime is 2151126457. The next prime is 2151126491. The reversal of 2151126486 is 6846211512.

It is a happy number.

2151126486 is a `hidden beast` number, since 2 + 1 + 5 + 1 + 1 + 2 + 648 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2151126486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59753496 + ... + 59753531.

It is an arithmetic number, because the mean of its divisors is an integer number (388397841).

Almost surely, 2^2151126486 is an apocalyptic number.

2151126486 is an abundant number, since it is smaller than the sum of its proper divisors (2509647606).

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

2151126486 is a wasteful number, since it uses less digits than its factorization.

2151126486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119507035 (or 119507032 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 2151126486 is about 46380.2380977071. The cubic root of 2151126486 is about 1290.8882542888. Note that the first 3 decimals are identical.

Adding to 2151126486 its reverse (6846211512), we get a palindrome (8997337998).

The spelling of 2151126486 in words is "two billion, one hundred fifty-one million, one hundred twenty-six thousand, four hundred eighty-six".