1275755011 has 4 divisors (see below), whose sum is σ = 1275872400. Its totient is φ = 1275637624.

The previous prime is 1275755009. The next prime is 1275755023. The reversal of 1275755011 is 1105575721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1275755011 - 2¹ = 1275755009 is a prime.

It is a super-2 number, since 2×1275755011² = 3255101696183220242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1275755711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40516 + ... + 64753.

It is an arithmetic number, because the mean of its divisors is an integer number (318968100).

Almost surely, 2^1275755011 is an apocalyptic number.

1275755011 is a deficient number, since it is larger than the sum of its proper divisors (117389).

1275755011 is a wasteful number, since it uses less digits than its factorization.

1275755011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117388.

The product of its (nonzero) digits is 12250, while the sum is 34.

The square root of 1275755011 is about 35717.7128467095. The cubic root of 1275755011 is about 1084.5654388914.

The spelling of 1275755011 in words is "one billion, two hundred seventy-five million, seven hundred fifty-five thousand, eleven".