1243235411504 has 10 divisors (see below), whose sum is σ = 2408768609820. Its totient is φ = 621617705744.

The previous prime is 1243235411437. The next prime is 1243235411513. The reversal of 1243235411504 is 4051145323421.

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, 38851106594 + ... + 38851106625.

It is an arithmetic number, because the mean of its divisors is an integer number (240876860982).

Almost surely, 2^{1243235411504} is an apocalyptic number.

It is an amenable number.

1243235411504 is a deficient number, since it is larger than the sum of its proper divisors (1165533198316).

1243235411504 is an equidigital number, since it uses as much as digits as its factorization.

1243235411504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77702213227 (or 77702213221 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 1243235411504 in words is "one trillion, two hundred forty-three billion, two hundred thirty-five million, four hundred eleven thousand, five hundred four".