1016761125285 has 20 divisors (see below), whose sum is σ = 1822638462348. Its totient is φ = 542272599936.

The previous prime is 1016761125283. The next prime is 1016761125293. The reversal of 1016761125285 is 5825211676101.

1016761125285 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 7 + 6 + 112 + 528 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 476650779201 + 540110346084 = 690399^2 + 734922^2 .

It is not a de Polignac number, because 1016761125285 - 2¹ = 1016761125283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1016761125285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016761125283) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1255260244 + ... + 1255261053.

Almost surely, 2^{1016761125285} is an apocalyptic number.

1016761125285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1016761125285 is a deficient number, since it is larger than the sum of its proper divisors (805877337063).

1016761125285 is an equidigital number, since it uses as much as digits as its factorization.

1016761125285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510521314 (or 2510521305 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

It can be divided in two parts, 101676 and 1125285, that added together give a triangular number (1226961 = T₁₅₆₆).

The spelling of 1016761125285 in words is "one trillion, sixteen billion, seven hundred sixty-one million, one hundred twenty-five thousand, two hundred eighty-five".