1252116452265 has 48 divisors (see below), whose sum is σ = 2387310589440. Its totient is φ = 558435198720.

The previous prime is 1252116452263. The next prime is 1252116452299. The reversal of 1252116452265 is 5622546112521.

It is not a de Polignac number, because 1252116452265 - 2¹ = 1252116452263 is a prime.

It is a super-2 number, since 2×1252116452265² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1252116452263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20744985 + ... + 20805254.

It is an arithmetic number, because the mean of its divisors is an integer number (49735637280).

Almost surely, 2^{1252116452265} is an apocalyptic number.

1252116452265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1252116452265 is a deficient number, since it is larger than the sum of its proper divisors (1135194137175).

1252116452265 is a wasteful number, since it uses less digits than its factorization.

1252116452265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41550302 (or 41550295 counting only the distinct ones).

The product of its digits is 288000, while the sum is 42.

The spelling of 1252116452265 in words is "one trillion, two hundred fifty-two billion, one hundred sixteen million, four hundred fifty-two thousand, two hundred sixty-five".