1345312051125 has 64 divisors (see below), whose sum is σ = 2561006702592. Its totient is φ = 614372980800.

The previous prime is 1345312051087. The next prime is 1345312051129. The reversal of 1345312051125 is 5211502135431.

It is not a de Polignac number, because 1345312051125 - 2¹³ = 1345312042933 is a prime.

It is a super-2 number, since 2×1345312051125² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345312051129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2319694 + ... + 2841056.

It is an arithmetic number, because the mean of its divisors is an integer number (40015729728).

Almost surely, 2^{1345312051125} is an apocalyptic number.

1345312051125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345312051125 is a deficient number, since it is larger than the sum of its proper divisors (1215694651467).

1345312051125 is an equidigital number, since it uses as much as digits as its factorization.

1345312051125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522371 (or 522361 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 1345312051125 its reverse (5211502135431), we get a palindrome (6556814186556).

The spelling of 1345312051125 in words is "one trillion, three hundred forty-five billion, three hundred twelve million, fifty-one thousand, one hundred twenty-five".