1353353040251 has 4 divisors (see below), whose sum is σ = 1359161422632. Its totient is φ = 1347544657872.

The previous prime is 1353353040241. The next prime is 1353353040253. The reversal of 1353353040251 is 1520403533531.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1353353040251 is a prime.

It is a super-2 number, since 2×1353353040251² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353353040253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2904190841 + ... + 2904191306.

It is an arithmetic number, because the mean of its divisors is an integer number (339790355658).

Almost surely, 2^{1353353040251} is an apocalyptic number.

1353353040251 is a deficient number, since it is larger than the sum of its proper divisors (5808382381).

1353353040251 is an equidigital number, since it uses as much as digits as its factorization.

1353353040251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808382380.

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 1353353040251 its reverse (1520403533531), we get a palindrome (2873756573782).

The spelling of 1353353040251 in words is "one trillion, three hundred fifty-three billion, three hundred fifty-three million, forty thousand, two hundred fifty-one".