1313553014551 has 4 divisors (see below), whose sum is σ = 1313762485504. Its totient is φ = 1313343543600.

The previous prime is 1313553014461. The next prime is 1313553014561. The reversal of 1313553014551 is 1554103553131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313553014551 - 2¹¹ = 1313553012503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313553014551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313553014561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104726070 + ... + 104738611.

It is an arithmetic number, because the mean of its divisors is an integer number (328440621376).

Almost surely, 2^{1313553014551} is an apocalyptic number.

1313553014551 is a deficient number, since it is larger than the sum of its proper divisors (209470953).

1313553014551 is an equidigital number, since it uses as much as digits as its factorization.

1313553014551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209470952.

The product of its (nonzero) digits is 67500, while the sum is 37.

Adding to 1313553014551 its reverse (1554103553131), we get a palindrome (2867656567682).

The spelling of 1313553014551 in words is "one trillion, three hundred thirteen billion, five hundred fifty-three million, fourteen thousand, five hundred fifty-one".