21114626355 has 24 divisors (see below), whose sum is σ = 36823230288. Its totient is φ = 11192043456.

The previous prime is 21114626353. The next prime is 21114626369. The reversal of 21114626355 is 55362641112.

21114626355 is a `hidden beast` number, since 2 + 1 + 1 + 14 + 6 + 2 + 635 + 5 = 666.

It is not a de Polignac number, because 21114626355 - 2¹ = 21114626353 is a prime.

It is a super-2 number, since 2×21114626355² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21114626353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1431972 + ... + 1446641.

It is an arithmetic number, because the mean of its divisors is an integer number (1534301262).

Almost surely, 2^21114626355 is an apocalyptic number.

21114626355 is a deficient number, since it is larger than the sum of its proper divisors (15708603933).

21114626355 is a wasteful number, since it uses less digits than its factorization.

21114626355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878787 (or 2878784 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The spelling of 21114626355 in words is "twenty-one billion, one hundred fourteen million, six hundred twenty-six thousand, three hundred fifty-five".