1250265125265 has 32 divisors (see below), whose sum is σ = 2154379011456. Its totient is φ = 615493416960.

The previous prime is 1250265125261. The next prime is 1250265125267. The reversal of 1250265125265 is 5625215620521.

It is a happy number.

It is not a de Polignac number, because 1250265125265 - 2² = 1250265125261 is a prime.

It is a super-2 number, since 2×1250265125265² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1250265125261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6379617 + ... + 6572673.

It is an arithmetic number, because the mean of its divisors is an integer number (67324344108).

Almost surely, 2^{1250265125265} is an apocalyptic number.

1250265125265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1250265125265 is a deficient number, since it is larger than the sum of its proper divisors (904113886191).

1250265125265 is a wasteful number, since it uses less digits than its factorization.

1250265125265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226289.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 1250265125265 in words is "one trillion, two hundred fifty billion, two hundred sixty-five million, one hundred twenty-five thousand, two hundred sixty-five".