1235045138845 has 64 divisors (see below), whose sum is σ = 1753947740160. Its totient is φ = 817408703232.

The previous prime is 1235045138843. The next prime is 1235045138849. The reversal of 1235045138845 is 5488315405321.

It is a cyclic number.

It is not a de Polignac number, because 1235045138845 - 2¹ = 1235045138843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235045138843) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42460447 + ... + 42489523.

It is an arithmetic number, because the mean of its divisors is an integer number (27405433440).

Almost surely, 2^{1235045138845} is an apocalyptic number.

It is an amenable number.

1235045138845 is a deficient number, since it is larger than the sum of its proper divisors (518902601315).

1235045138845 is a wasteful number, since it uses less digits than its factorization.

1235045138845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29522.

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 1235045138845 in words is "one trillion, two hundred thirty-five billion, forty-five million, one hundred thirty-eight thousand, eight hundred forty-five".