1235352953653 has 16 divisors (see below), whose sum is σ = 1520549228800. Its totient is φ = 977348301696.

The previous prime is 1235352953621. The next prime is 1235352953669. The reversal of 1235352953653 is 3563592535321.

It is a happy number.

It is not a de Polignac number, because 1235352953653 - 2⁵ = 1235352953621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1235352953653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235352959653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715048 + ... + 1726846.

It is an arithmetic number, because the mean of its divisors is an integer number (95034326800).

Almost surely, 2^{1235352953653} is an apocalyptic number.

1235352953653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1235352953653 is a deficient number, since it is larger than the sum of its proper divisors (285196275147).

1235352953653 is a wasteful number, since it uses less digits than its factorization.

1235352953653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025236.

The product of its digits is 10935000, while the sum is 52.

The spelling of 1235352953653 in words is "one trillion, two hundred thirty-five billion, three hundred fifty-two million, nine hundred fifty-three thousand, six hundred fifty-three".