203856065157 has 8 divisors (see below), whose sum is σ = 271810176160. Its totient is φ = 135902998800.

The previous prime is 203856065141. The next prime is 203856065173. The reversal of 203856065157 is 751560658302.

It is an interprime number because it is at equal distance from previous prime (203856065141) and next prime (203856065173).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203856065157 - 2⁴ = 203856065141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203856065177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597282 + ... + 874332.

It is an arithmetic number, because the mean of its divisors is an integer number (33976272020).

Almost surely, 2^203856065157 is an apocalyptic number.

It is an amenable number.

203856065157 is a deficient number, since it is larger than the sum of its proper divisors (67954111003).

203856065157 is a wasteful number, since it uses less digits than its factorization.

203856065157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522323.

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 203856065157 in words is "two hundred three billion, eight hundred fifty-six million, sixty-five thousand, one hundred fifty-seven".