1235778913468 has 24 divisors (see below), whose sum is σ = 2359257559344. Its totient is φ = 561707385600.

The previous prime is 1235778913451. The next prime is 1235778913477. The reversal of 1235778913468 is 8643198775321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2500596 + ... + 2953732.

It is an arithmetic number, because the mean of its divisors is an integer number (98302398306).

Almost surely, 2^{1235778913468} is an apocalyptic number.

It is an amenable number.

1235778913468 is a deficient number, since it is larger than the sum of its proper divisors (1123478645876).

1235778913468 is a wasteful number, since it uses less digits than its factorization.

1235778913468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515133 (or 515131 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 64.

The spelling of 1235778913468 in words is "one trillion, two hundred thirty-five billion, seven hundred seventy-eight million, nine hundred thirteen thousand, four hundred sixty-eight".