1233135342985 has 64 divisors (see below), whose sum is σ = 1843777152000. Its totient is φ = 770935283712.

The previous prime is 1233135342979. The next prime is 1233135343001. The reversal of 1233135342985 is 5892435313321.

It is a cyclic number.

It is not a de Polignac number, because 1233135342985 - 2⁵ = 1233135342953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12354961 + ... + 12454369.

It is an arithmetic number, because the mean of its divisors is an integer number (28809018000).

Almost surely, 2^{1233135342985} is an apocalyptic number.

It is an amenable number.

1233135342985 is a deficient number, since it is larger than the sum of its proper divisors (610641809015).

1233135342985 is a wasteful number, since it uses less digits than its factorization.

1233135342985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99770.

The product of its digits is 2332800, while the sum is 49.

The spelling of 1233135342985 in words is "one trillion, two hundred thirty-three billion, one hundred thirty-five million, three hundred forty-two thousand, nine hundred eighty-five".