1235002545545 has 4 divisors (see below), whose sum is σ = 1482003054660. Its totient is φ = 988002036432.

The previous prime is 1235002545493. The next prime is 1235002545589. The reversal of 1235002545545 is 5455452005321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 272704328521 + 962298217024 = 522211^2 + 980968^2 .

It is a cyclic number.

It is not a de Polignac number, because 1235002545545 - 2⁸ = 1235002545289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123500254550 + ... + 123500254559.

It is an arithmetic number, because the mean of its divisors is an integer number (370500763665).

Almost surely, 2^{1235002545545} is an apocalyptic number.

It is an amenable number.

1235002545545 is a deficient number, since it is larger than the sum of its proper divisors (247000509115).

1235002545545 is an equidigital number, since it uses as much as digits as its factorization.

1235002545545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247000509114.

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 1235002545545 in words is "one trillion, two hundred thirty-five billion, two million, five hundred forty-five thousand, five hundred forty-five".