38143851025 has 12 divisors (see below), whose sum is σ = 54055286272. Its totient is φ = 26155783440.

The previous prime is 38143851001. The next prime is 38143851089. The reversal of 38143851025 is 52015834183.

It is not a de Polignac number, because 38143851025 - 2⁷ = 38143850897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108982257 + ... + 108982606.

Almost surely, 2^38143851025 is an apocalyptic number.

38143851025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38143851025 is a deficient number, since it is larger than the sum of its proper divisors (15911435247).

38143851025 is a wasteful number, since it uses less digits than its factorization.

38143851025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217964880 (or 217964875 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 38143851025 in words is "thirty-eight billion, one hundred forty-three million, eight hundred fifty-one thousand, twenty-five".