1235553540231 has 8 divisors (see below), whose sum is σ = 1657269419904. Its totient is φ = 818770010360.

The previous prime is 1235553540227. The next prime is 1235553540253. The reversal of 1235553540231 is 1320453555321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1235553540231 - 2² = 1235553540227 is a prime.

It is a super-2 number, since 2×1235553540231² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1235553540231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235553540271) 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 7 ways as a sum of consecutive naturals, for example, 1233086865 + ... + 1233087866.

It is an arithmetic number, because the mean of its divisors is an integer number (207158677488).

Almost surely, 2^{1235553540231} is an apocalyptic number.

1235553540231 is a deficient number, since it is larger than the sum of its proper divisors (421715879673).

1235553540231 is a wasteful number, since it uses less digits than its factorization.

1235553540231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466174901.

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 1235553540231 in words is "one trillion, two hundred thirty-five billion, five hundred fifty-three million, five hundred forty thousand, two hundred thirty-one".