275780740747911 has 16 divisors (see below), whose sum is σ = 444957161543424. Its totient is φ = 148319053847424.

The previous prime is 275780740747907. The next prime is 275780740748063. The reversal of 275780740747911 is 119747047087572.

275780740747911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 275780740747911 - 2² = 275780740747907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275780740748911) 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, 386247535705 + ... + 386247536418.

It is an arithmetic number, because the mean of its divisors is an integer number (27809822596464).

Almost surely, 2^{275780740747911} is an apocalyptic number.

275780740747911 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

275780740747911 is a deficient number, since it is larger than the sum of its proper divisors (169176420795513).

275780740747911 is a wasteful number, since it uses less digits than its factorization.

275780740747911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772495072150.

The product of its (nonzero) digits is 193616640, while the sum is 69.

The spelling of 275780740747911 in words is "two hundred seventy-five trillion, seven hundred eighty billion, seven hundred forty million, seven hundred forty-seven thousand, nine hundred eleven".