1245501331532 has 6 divisors (see below), whose sum is σ = 2179627330188. Its totient is φ = 622750665764.

The previous prime is 1245501331493. The next prime is 1245501331549. The reversal of 1245501331532 is 2351331055421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1245501331492 and 1245501331501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155687666438 + ... + 155687666445.

It is an arithmetic number, because the mean of its divisors is an integer number (363271221698).

Almost surely, 2^{1245501331532} is an apocalyptic number.

It is an amenable number.

1245501331532 is a deficient number, since it is larger than the sum of its proper divisors (934125998656).

1245501331532 is a wasteful number, since it uses less digits than its factorization.

1245501331532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311375332887 (or 311375332885 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 1245501331532 its reverse (2351331055421), we get a palindrome (3596832386953).

The spelling of 1245501331532 in words is "one trillion, two hundred forty-five billion, five hundred one million, three hundred thirty-one thousand, five hundred thirty-two".