8157115501303 has 4 divisors (see below), whose sum is σ = 8157540215440. Its totient is φ = 8156690787168.

The previous prime is 8157115501289. The next prime is 8157115501343. The reversal of 8157115501303 is 3031055117518.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8157115501303 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 (8157115501343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212328258 + ... + 212366671.

It is an arithmetic number, because the mean of its divisors is an integer number (2039385053860).

Almost surely, 2^{8157115501303} is an apocalyptic number.

8157115501303 is a deficient number, since it is larger than the sum of its proper divisors (424714137).

8157115501303 is a wasteful number, since it uses less digits than its factorization.

8157115501303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424714136.

The product of its (nonzero) digits is 63000, while the sum is 40.

The spelling of 8157115501303 in words is "eight trillion, one hundred fifty-seven billion, one hundred fifteen million, five hundred one thousand, three hundred three".