1351115142263 has 8 divisors (see below), whose sum is σ = 1422620833920. Its totient is φ = 1279648887480.

The previous prime is 1351115142259. The next prime is 1351115142269. The reversal of 1351115142263 is 3622415111531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1351115142263 - 2² = 1351115142259 is a prime.

It is a super-2 number, since 2×1351115142263² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351115142269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9788873 + ... + 9925938.

It is an arithmetic number, because the mean of its divisors is an integer number (177827604240).

Almost surely, 2^{1351115142263} is an apocalyptic number.

1351115142263 is a deficient number, since it is larger than the sum of its proper divisors (71505691657).

1351115142263 is a wasteful number, since it uses less digits than its factorization.

1351115142263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19718437.

The product of its digits is 21600, while the sum is 35.

The spelling of 1351115142263 in words is "one trillion, three hundred fifty-one billion, one hundred fifteen million, one hundred forty-two thousand, two hundred sixty-three".