21514275116 has 6 divisors (see below), whose sum is σ = 37649981460. Its totient is φ = 10757137556.

The previous prime is 21514275103. The next prime is 21514275119. The reversal of 21514275116 is 61157241512.

It is not an unprimeable number, because it can be changed into a prime (21514275119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2689284386 + ... + 2689284393.

It is an arithmetic number, because the mean of its divisors is an integer number (6274996910).

Almost surely, 2^21514275116 is an apocalyptic number.

It is an amenable number.

21514275116 is a deficient number, since it is larger than the sum of its proper divisors (16135706344).

21514275116 is a wasteful number, since it uses less digits than its factorization.

21514275116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5378568783 (or 5378568781 counting only the distinct ones).

The product of its digits is 16800, while the sum is 35.

The spelling of 21514275116 in words is "twenty-one billion, five hundred fourteen million, two hundred seventy-five thousand, one hundred sixteen".