1270660275550 has 48 divisors (see below), whose sum is σ = 2370340288512. Its totient is φ = 506778466400.

The previous prime is 1270660275539. The next prime is 1270660275569. The reversal of 1270660275550 is 555720660721.

It is a super-2 number, since 2×1270660275550² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1270660275550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75576645 + ... + 75593455.

It is an arithmetic number, because the mean of its divisors is an integer number (49382089344).

Almost surely, 2^{1270660275550} is an apocalyptic number.

1270660275550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1270660275550 is a deficient number, since it is larger than the sum of its proper divisors (1099680012962).

1270660275550 is a wasteful number, since it uses less digits than its factorization.

1270660275550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21153 (or 21148 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 46.

The spelling of 1270660275550 in words is "one trillion, two hundred seventy billion, six hundred sixty million, two hundred seventy-five thousand, five hundred fifty".