1235513520341 has 2 divisors, whose sum is σ = 1235513520342. Its totient is φ = 1235513520340.

The previous prime is 1235513520299. The next prime is 1235513520347. The reversal of 1235513520341 is 1430253155321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 662685543025 + 572827977316 = 814055^2 + 756854^2 .

It is a cyclic number.

It is not a de Polignac number, because 1235513520341 - 2²⁶ = 1235446411477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1235513520347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617756760170 + 617756760171.

It is an arithmetic number, because the mean of its divisors is an integer number (617756760171).

Almost surely, 2^{1235513520341} is an apocalyptic number.

It is an amenable number.

1235513520341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1235513520341 is an equidigital number, since it uses as much as digits as its factorization.

1235513520341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 1235513520341 its reverse (1430253155321), we get a palindrome (2665766675662).

The spelling of 1235513520341 in words is "one trillion, two hundred thirty-five billion, five hundred thirteen million, five hundred twenty thousand, three hundred forty-one".