1310503555452 has 72 divisors (see below), whose sum is σ = 3784175988096. Its totient is φ = 345627307584.

The previous prime is 1310503555399. The next prime is 1310503555457. The reversal of 1310503555452 is 2545553050131.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1310503555452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310503555457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46143298 + ... + 46171689.

Almost surely, 2^{1310503555452} is an apocalyptic number.

1310503555452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1310503555452 is an abundant number, since it is smaller than the sum of its proper divisors (2473672432644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310503555452 is a wasteful number, since it uses less digits than its factorization.

1310503555452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92315027 (or 92315012 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 1310503555452 in words is "one trillion, three hundred ten billion, five hundred three million, five hundred fifty-five thousand, four hundred fifty-two".