21353500552235 has 32 divisors (see below), whose sum is σ = 26074243016640. Its totient is φ = 16784663961600.

The previous prime is 21353500552183. The next prime is 21353500552249. The reversal of 21353500552235 is 53225500535312.

It is not a de Polignac number, because 21353500552235 - 2⁸ = 21353500551979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21353500552192 and 21353500552201.

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, 115057115 + ... + 115242555.

It is an arithmetic number, because the mean of its divisors is an integer number (814820094270).

Almost surely, 2^{21353500552235} is an apocalyptic number.

21353500552235 is a deficient number, since it is larger than the sum of its proper divisors (4720742464405).

21353500552235 is a wasteful number, since it uses less digits than its factorization.

21353500552235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186719.

The product of its (nonzero) digits is 675000, while the sum is 41.

The spelling of 21353500552235 in words is "twenty-one trillion, three hundred fifty-three billion, five hundred million, five hundred fifty-two thousand, two hundred thirty-five".