1245520373560 has 128 divisors (see below), whose sum is σ = 2992403865600. Its totient is φ = 465483082240.

The previous prime is 1245520373557. The next prime is 1245520373579. The reversal of 1245520373560 is 653730255421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21980865 + ... + 22037455.

It is an arithmetic number, because the mean of its divisors is an integer number (23378155200).

Almost surely, 2^{1245520373560} is an apocalyptic number.

1245520373560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245520373560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1496201932800).

1245520373560 is an abundant number, since it is smaller than the sum of its proper divisors (1746883492040).

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

1245520373560 is a wasteful number, since it uses less digits than its factorization.

1245520373560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57181 (or 57177 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 1245520373560 in words is "one trillion, two hundred forty-five billion, five hundred twenty million, three hundred seventy-three thousand, five hundred sixty".