21126463150 has 48 divisors (see below), whose sum is σ = 42334665408. Its totient is φ = 7797456000.

The previous prime is 21126463139. The next prime is 21126463151. The reversal of 21126463150 is 5136462112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21126463151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2244955 + ... + 2254345.

It is an arithmetic number, because the mean of its divisors is an integer number (881972196).

Almost surely, 2^21126463150 is an apocalyptic number.

21126463150 is an abundant number, since it is smaller than the sum of its proper divisors (21208202258).

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

21126463150 is a wasteful number, since it uses less digits than its factorization.

21126463150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12877 (or 12872 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 21126463150 in words is "twenty-one billion, one hundred twenty-six million, four hundred sixty-three thousand, one hundred fifty".