2117477104157 has 2 divisors, whose sum is σ = 2117477104158. Its totient is φ = 2117477104156.

The previous prime is 2117477104103. The next prime is 2117477104181. The reversal of 2117477104157 is 7514017747112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1778579645956 + 338897458201 = 1333634^2 + 582149^2 .

It is a cyclic number.

It is not a de Polignac number, because 2117477104157 - 2¹² = 2117477100061 is a prime.

It is a super-2 number, since 2×2117477104157² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2117477104187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058738552078 + 1058738552079.

It is an arithmetic number, because the mean of its divisors is an integer number (1058738552079).

Almost surely, 2^{2117477104157} is an apocalyptic number.

It is an amenable number.

2117477104157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2117477104157 is an equidigital number, since it uses as much as digits as its factorization.

2117477104157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384160, while the sum is 47.

The spelling of 2117477104157 in words is "two trillion, one hundred seventeen billion, four hundred seventy-seven million, one hundred four thousand, one hundred fifty-seven".