10501577857 has 2 divisors, whose sum is σ = 10501577858. Its totient is φ = 10501577856.

The previous prime is 10501577783. The next prime is 10501577881. The reversal of 10501577857 is 75877510501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5655190401 + 4846387456 = 75201^2 + 69616^2 .

It is a cyclic number.

It is not a de Polignac number, because 10501577857 - 2¹¹ = 10501575809 is a prime.

It is a super-2 number, since 2×10501577857² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10501577557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250788928 + 5250788929.

It is an arithmetic number, because the mean of its divisors is an integer number (5250788929).

Almost surely, 2^10501577857 is an apocalyptic number.

It is an amenable number.

10501577857 is a deficient number, since it is larger than the sum of its proper divisors (1).

10501577857 is an equidigital number, since it uses as much as digits as its factorization.

10501577857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 343000, while the sum is 46.

The spelling of 10501577857 in words is "ten billion, five hundred one million, five hundred seventy-seven thousand, eight hundred fifty-seven".