2775528055531 has 16 divisors (see below), whose sum is σ = 3462783591168. Its totient is φ = 2161258524000.

The previous prime is 2775528055439. The next prime is 2775528055543. The reversal of 2775528055531 is 1355508255772.

2775528055531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2775528055531 - 2¹¹ = 2775528053483 is a prime.

It is a super-2 number, since 2×2775528055531² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2775528055331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12309300 + ... + 12532753.

It is an arithmetic number, because the mean of its divisors is an integer number (216423974448).

Almost surely, 2^{2775528055531} is an apocalyptic number.

2775528055531 is a deficient number, since it is larger than the sum of its proper divisors (687255535637).

2775528055531 is a wasteful number, since it uses less digits than its factorization.

2775528055531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24843522.

The product of its (nonzero) digits is 14700000, while the sum is 55.

The spelling of 2775528055531 in words is "two trillion, seven hundred seventy-five billion, five hundred twenty-eight million, fifty-five thousand, five hundred thirty-one".