21603214153035 has 32 divisors (see below), whose sum is σ = 38409123631680. Its totient is φ = 11520691340544.

The previous prime is 21603214152973. The next prime is 21603214153051. The reversal of 21603214153035 is 53035141230612.

21603214153035 is a `hidden beast` number, since 2 + 1 + 60 + 3 + 21 + 41 + 530 + 3 + 5 = 666.

It is not a de Polignac number, because 21603214153035 - 2¹⁸ = 21603213890891 is a prime.

It is a super-2 number, since 2×21603214153035² (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 31 ways as a sum of consecutive naturals, for example, 5575804 + ... + 8619513.

It is an arithmetic number, because the mean of its divisors is an integer number (1200285113490).

Almost surely, 2^{21603214153035} is an apocalyptic number.

21603214153035 is a deficient number, since it is larger than the sum of its proper divisors (16805909478645).

21603214153035 is a wasteful number, since it uses less digits than its factorization.

21603214153035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14206604 (or 14206598 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 21603214153035 its reverse (53035141230612), we get a palindrome (74638355383647).

The spelling of 21603214153035 in words is "twenty-one trillion, six hundred three billion, two hundred fourteen million, one hundred fifty-three thousand, thirty-five".