1154165163850 has 48 divisors (see below), whose sum is σ = 2203480843200. Its totient is φ = 449510076800.

The previous prime is 1154165163829. The next prime is 1154165163857. The reversal of 1154165163850 is 583615614511.

It is a self number, because there is not a number n which added to its sum of digits gives 1154165163850.

It is not an unprimeable number, because it can be changed into a prime (1154165163857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 471501 + ... + 1590799.

It is an arithmetic number, because the mean of its divisors is an integer number (45905850900).

Almost surely, 2^{1154165163850} is an apocalyptic number.

1154165163850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1154165163850 is a deficient number, since it is larger than the sum of its proper divisors (1049315679350).

1154165163850 is a wasteful number, since it uses less digits than its factorization.

1154165163850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119855 (or 1119850 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 46.

The spelling of 1154165163850 in words is "one trillion, one hundred fifty-four billion, one hundred sixty-five million, one hundred sixty-three thousand, eight hundred fifty".