52215321235 has 16 divisors (see below), whose sum is σ = 78119546112. Its totient is φ = 32549810400.

The previous prime is 52215321217. The next prime is 52215321259. The reversal of 52215321235 is 53212351225.

It is not a de Polignac number, because 52215321235 - 2¹³ = 52215313043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52215321197 and 52215321206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67811721 + ... + 67812490.

It is an arithmetic number, because the mean of its divisors is an integer number (4882471632).

Almost surely, 2^52215321235 is an apocalyptic number.

52215321235 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52215321235 is a deficient number, since it is larger than the sum of its proper divisors (25904224877).

52215321235 is a wasteful number, since it uses less digits than its factorization.

52215321235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135624234.

The product of its digits is 18000, while the sum is 31.

The spelling of 52215321235 in words is "fifty-two billion, two hundred fifteen million, three hundred twenty-one thousand, two hundred thirty-five".