1232535455251 has 16 divisors (see below), whose sum is σ = 1307601692640. Its totient is φ = 1157756129280.

The previous prime is 1232535455231. The next prime is 1232535455269. The reversal of 1232535455251 is 1525545352321.

It is a cyclic number.

It is not a de Polignac number, because 1232535455251 - 2¹⁵ = 1232535422483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232535455198 and 1232535455207.

It is not an unprimeable number, because it can be changed into a prime (1232535455231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20397355 + ... + 20457691.

It is an arithmetic number, because the mean of its divisors is an integer number (81725105790).

Almost surely, 2^{1232535455251} is an apocalyptic number.

1232535455251 is a deficient number, since it is larger than the sum of its proper divisors (75066237389).

1232535455251 is a wasteful number, since it uses less digits than its factorization.

1232535455251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62694.

The product of its digits is 900000, while the sum is 43.

The spelling of 1232535455251 in words is "one trillion, two hundred thirty-two billion, five hundred thirty-five million, four hundred fifty-five thousand, two hundred fifty-one".