101837128157 has 2 divisors, whose sum is σ = 101837128158. Its totient is φ = 101837128156.

The previous prime is 101837128153. The next prime is 101837128187. The reversal of 101837128157 is 751821738101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81561076921 + 20276051236 = 285589^2 + 142394^2 .

It is a cyclic number.

It is not a de Polignac number, because 101837128157 - 2² = 101837128153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101837128153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50918564078 + 50918564079.

It is an arithmetic number, because the mean of its divisors is an integer number (50918564079).

Almost surely, 2^101837128157 is an apocalyptic number.

It is an amenable number.

101837128157 is a deficient number, since it is larger than the sum of its proper divisors (1).

101837128157 is an equidigital number, since it uses as much as digits as its factorization.

101837128157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 44.

The spelling of 101837128157 in words is "one hundred one billion, eight hundred thirty-seven million, one hundred twenty-eight thousand, one hundred fifty-seven".