1303242523551 has 12 divisors (see below), whose sum is σ = 1952182216712. Its totient is φ = 868828348872.

The previous prime is 1303242523547. The next prime is 1303242523553. The reversal of 1303242523551 is 1553252423031.

1303242523551 is a `hidden beast` number, since 1 + 3 + 0 + 324 + 252 + 35 + 51 = 666.

It is not a de Polignac number, because 1303242523551 - 2² = 1303242523547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303242523553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2681568736 + ... + 2681569221.

Almost surely, 2^{1303242523551} is an apocalyptic number.

1303242523551 is a deficient number, since it is larger than the sum of its proper divisors (648939693161).

1303242523551 is an frugal number, since it uses more digits than its factorization.

1303242523551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5363137972 (or 5363137960 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 1303242523551 its reverse (1553252423031), we get a palindrome (2856494946582).

The spelling of 1303242523551 in words is "one trillion, three hundred three billion, two hundred forty-two million, five hundred twenty-three thousand, five hundred fifty-one".