1202550551265 has 24 divisors (see below), whose sum is σ = 2238216537600. Its totient is φ = 549737394528.

The previous prime is 1202550551239. The next prime is 1202550551269. The reversal of 1202550551265 is 5621550552021.

It is not a de Polignac number, because 1202550551265 - 2⁸ = 1202550551009 is a prime.

It is a super-2 number, since 2×1202550551265² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1202550551269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 818060865 + ... + 818062334.

It is an arithmetic number, because the mean of its divisors is an integer number (93259022400).

Almost surely, 2^{1202550551265} is an apocalyptic number.

1202550551265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1202550551265 is a deficient number, since it is larger than the sum of its proper divisors (1035665986335).

1202550551265 is a wasteful number, since it uses less digits than its factorization.

1202550551265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636123221 (or 1636123214 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 39.

The spelling of 1202550551265 in words is "one trillion, two hundred two billion, five hundred fifty million, five hundred fifty-one thousand, two hundred sixty-five".