1325878495760 has 640 divisors, whose sum is σ = 4075659141120. Its totient is φ = 389726650368.

The previous prime is 1325878495727. The next prime is 1325878495771. The reversal of 1325878495760 is 675948785231.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 818948231 + ... + 818949849.

It is an arithmetic number, because the mean of its divisors is an integer number (6368217408).

It is a 1-persistent number, because it is pandigital, but 2⋅1325878495760 = 2651756991520 is not.

Almost surely, 2^{1325878495760} is an apocalyptic number.

1325878495760 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 1325878495760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2037829570560).

1325878495760 is an abundant number, since it is smaller than the sum of its proper divisors (2749780645360).

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

1325878495760 is a wasteful number, since it uses less digits than its factorization.

1325878495760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815 (or 1809 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 65.

The spelling of 1325878495760 in words is "one trillion, three hundred twenty-five billion, eight hundred seventy-eight million, four hundred ninety-five thousand, seven hundred sixty".