235085204135481 has 32 divisors (see below), whose sum is σ = 359121213081600. Its totient is φ = 133998386935680.

The previous prime is 235085204135477. The next prime is 235085204135513. The reversal of 235085204135481 is 184531402580532.

It is a happy number.

It is not a de Polignac number, because 235085204135481 - 2² = 235085204135477 is a prime.

It is a super-2 number, since 2×235085204135481² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (235085204135381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153073510 + ... + 154601648.

It is an arithmetic number, because the mean of its divisors is an integer number (11222537908800).

Almost surely, 2^{235085204135481} is an apocalyptic number.

235085204135481 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

235085204135481 is a deficient number, since it is larger than the sum of its proper divisors (124036008946119).

235085204135481 is a wasteful number, since it uses less digits than its factorization.

235085204135481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546469.

The product of its (nonzero) digits is 4608000, while the sum is 51.

The spelling of 235085204135481 in words is "two hundred thirty-five trillion, eighty-five billion, two hundred four million, one hundred thirty-five thousand, four hundred eighty-one".