21456033131162 has 16 divisors (see below), whose sum is σ = 36987255840960. Its totient is φ = 9144071580768.

The previous prime is 21456033131153. The next prime is 21456033131171. The reversal of 21456033131162 is 26113133065412.

It is an interprime number because it is at equal distance from previous prime (21456033131153) and next prime (21456033131171).

It is a super-2 number, since 2×21456033131162² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4280929883 + ... + 4280934894.

It is an arithmetic number, because the mean of its divisors is an integer number (2311703490060).

Almost surely, 2^{21456033131162} is an apocalyptic number.

21456033131162 is a deficient number, since it is larger than the sum of its proper divisors (15531222709798).

21456033131162 is a wasteful number, since it uses less digits than its factorization.

21456033131162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8561864965.

The product of its (nonzero) digits is 77760, while the sum is 38.

Adding to 21456033131162 its reverse (26113133065412), we get a palindrome (47569166196574).

The spelling of 21456033131162 in words is "twenty-one trillion, four hundred fifty-six billion, thirty-three million, one hundred thirty-one thousand, one hundred sixty-two".