10857998461 has 2 divisors, whose sum is σ = 10857998462. Its totient is φ = 10857998460.

The previous prime is 10857998453. The next prime is 10857998519. The reversal of 10857998461 is 16489975801.

It is an a-pointer prime, because the next prime (10857998519) can be obtained adding 10857998461 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10689492100 + 168506361 = 103390^2 + 12981^2 .

It is a cyclic number.

It is not a de Polignac number, because 10857998461 - 2³ = 10857998453 is a prime.

It is a super-2 number, since 2×10857998461² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10857998396 and 10857998405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10857998441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5428999230 + 5428999231.

It is an arithmetic number, because the mean of its divisors is an integer number (5428999231).

Almost surely, 2^10857998461 is an apocalyptic number.

It is an amenable number.

10857998461 is a deficient number, since it is larger than the sum of its proper divisors (1).

10857998461 is an equidigital number, since it uses as much as digits as its factorization.

10857998461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 10857998461 in words is "ten billion, eight hundred fifty-seven million, nine hundred ninety-eight thousand, four hundred sixty-one".