1025205267107 has 12 divisors (see below), whose sum is σ = 1236575252016. Its totient is φ = 832497508080.

The previous prime is 1025205267071. The next prime is 1025205267109. The reversal of 1025205267107 is 7017625025201.

It is a de Polignac number, because none of the positive numbers 2^k-1025205267107 is a prime.

It is a super-2 number, since 2×1025205267107² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025205267109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202847744 + ... + 202852797.

It is an arithmetic number, because the mean of its divisors is an integer number (103047937668).

Almost surely, 2^{1025205267107} is an apocalyptic number.

1025205267107 is a deficient number, since it is larger than the sum of its proper divisors (211369984909).

1025205267107 is an equidigital number, since it uses as much as digits as its factorization.

1025205267107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405700586 (or 405700567 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 1025205267107 in words is "one trillion, twenty-five billion, two hundred five million, two hundred sixty-seven thousand, one hundred seven".