235453513121505 has 96 divisors (see below), whose sum is σ = 466994622931200. Its totient is φ = 107503816273920.

The previous prime is 235453513121503. The next prime is 235453513121531. The reversal of 235453513121505 is 505121315354532.

235453513121505 is a `hidden beast` number, since 2 + 3 + 5 + 4 + 5 + 3 + 5 + 13 + 121 + 505 = 666.

It is not a de Polignac number, because 235453513121505 - 2¹ = 235453513121503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (235453513121501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3616820446 + ... + 3616885544.

It is an arithmetic number, because the mean of its divisors is an integer number (4864527322200).

Almost surely, 2^{235453513121505} is an apocalyptic number.

It is an amenable number.

235453513121505 is a deficient number, since it is larger than the sum of its proper divisors (231541109809695).

235453513121505 is a wasteful number, since it uses less digits than its factorization.

235453513121505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79031 (or 79028 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The spelling of 235453513121505 in words is "two hundred thirty-five trillion, four hundred fifty-three billion, five hundred thirteen million, one hundred twenty-one thousand, five hundred five".