1325887765252 has 12 divisors (see below), whose sum is σ = 2456792035740. Its totient is φ = 623947183616.

The previous prime is 1325887765249. The next prime is 1325887765333. The reversal of 1325887765252 is 2525677885231.

It can be written as a sum of positive squares in 2 ways, for example, as 818977940676 + 506909824576 = 904974^2 + 711976^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9749174677 + ... + 9749174812.

It is an arithmetic number, because the mean of its divisors is an integer number (204732669645).

Almost surely, 2^{1325887765252} is an apocalyptic number.

It is an amenable number.

1325887765252 is a deficient number, since it is larger than the sum of its proper divisors (1130904270488).

1325887765252 is a wasteful number, since it uses less digits than its factorization.

1325887765252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19498349510 (or 19498349508 counting only the distinct ones).

The product of its digits is 56448000, while the sum is 61.

The spelling of 1325887765252 in words is "one trillion, three hundred twenty-five billion, eight hundred eighty-seven million, seven hundred sixty-five thousand, two hundred fifty-two".