21114460155 has 8 divisors (see below), whose sum is σ = 33783136272. Its totient is φ = 11261045408.

The previous prime is 21114460123. The next prime is 21114460183. The reversal of 21114460155 is 55106441112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21114460155 - 2⁵ = 21114460123 is a prime.

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, 703815324 + ... + 703815353.

It is an arithmetic number, because the mean of its divisors is an integer number (4222892034).

Almost surely, 2^21114460155 is an apocalyptic number.

21114460155 is a deficient number, since it is larger than the sum of its proper divisors (12668676117).

21114460155 is a wasteful number, since it uses less digits than its factorization.

21114460155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407630685.

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 21114460155 in words is "twenty-one billion, one hundred fourteen million, four hundred sixty thousand, one hundred fifty-five".