13125325123450 has 192 divisors, whose sum is σ = 26564401733760. Its totient is φ = 4813088394240.

The previous prime is 13125325123441. The next prime is 13125325123451. The reversal of 13125325123450 is 5432152352131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (13125325123451) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3845683944 + ... + 3845687356.

It is an arithmetic number, because the mean of its divisors is an integer number (138356259030).

Almost surely, 2^{13125325123450} is an apocalyptic number.

13125325123450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13125325123450 is an abundant number, since it is smaller than the sum of its proper divisors (13439076610310).

13125325123450 is a wasteful number, since it uses less digits than its factorization.

13125325123450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201 (or 5196 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 13125325123450 its reverse (5432152352131), we get a palindrome (18557477475581).

The spelling of 13125325123450 in words is "thirteen trillion, one hundred twenty-five billion, three hundred twenty-five million, one hundred twenty-three thousand, four hundred fifty".