11277464820291 has 16 divisors (see below), whose sum is σ = 16733338760320. Its totient is φ = 7506617318280.

The previous prime is 11277464820283. The next prime is 11277464820301. The reversal of 11277464820291 is 19202846477211.

It is a happy number.

11277464820291 is a `hidden beast` number, since 1 + 1 + 2 + 7 + 74 + 6 + 482 + 0 + 2 + 91 = 666.

It is not a de Polignac number, because 11277464820291 - 2³ = 11277464820283 is a prime.

It is a super-2 number, since 2×11277464820291² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11277464820191) 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, 324775705 + ... + 324810426.

It is an arithmetic number, because the mean of its divisors is an integer number (1045833672520).

Almost surely, 2^{11277464820291} is an apocalyptic number.

11277464820291 is a deficient number, since it is larger than the sum of its proper divisors (5455873940029).

11277464820291 is an equidigital number, since it uses as much as digits as its factorization.

11277464820291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649586783 (or 649586777 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 11277464820291 in words is "eleven trillion, two hundred seventy-seven billion, four hundred sixty-four million, eight hundred twenty thousand, two hundred ninety-one".