1310421453525 has 36 divisors (see below), whose sum is σ = 2347530104608. Its totient is φ = 698766475680.

The previous prime is 1310421453479. The next prime is 1310421453529. The reversal of 1310421453525 is 5253541240131.

1310421453525 is a `hidden beast` number, since 1 + 3 + 104 + 2 + 14 + 535 + 2 + 5 = 666.

It is not a de Polignac number, because 1310421453525 - 2⁶ = 1310421453461 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 1310421453525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310421453529) 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 35 ways as a sum of consecutive naturals, for example, 747294 + ... + 1783056.

Almost surely, 2^{1310421453525} is an apocalyptic number.

1310421453525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1310421453525 is a deficient number, since it is larger than the sum of its proper divisors (1037108651083).

1310421453525 is a wasteful number, since it uses less digits than its factorization.

1310421453525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041402 (or 1041394 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 1310421453525 its reverse (5253541240131), we get a palindrome (6563962693656).

The spelling of 1310421453525 in words is "one trillion, three hundred ten billion, four hundred twenty-one million, four hundred fifty-three thousand, five hundred twenty-five".