1265275585330 has 32 divisors (see below), whose sum is σ = 2333730894768. Its totient is φ = 493620864000.

The previous prime is 1265275585253. The next prime is 1265275585349. The reversal of 1265275585330 is 335855725621.

It can be written as a sum of positive squares in 8 ways, for example, as 935005839849 + 330269745481 = 966957^2 + 574691^2 .

It is a super-2 number, since 2×1265275585330² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 947230 + ... + 1851430.

Almost surely, 2^{1265275585330} is an apocalyptic number.

1265275585330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1265275585330 is a deficient number, since it is larger than the sum of its proper divisors (1068455309438).

1265275585330 is a wasteful number, since it uses less digits than its factorization.

1265275585330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907662.

The product of its (nonzero) digits is 7560000, while the sum is 52.

The spelling of 1265275585330 in words is "one trillion, two hundred sixty-five billion, two hundred seventy-five million, five hundred eighty-five thousand, three hundred thirty".