278055055011 has 16 divisors (see below), whose sum is σ = 372016839168. Its totient is φ = 184731926400.

The previous prime is 278055055007. The next prime is 278055055027. The reversal of 278055055011 is 110550550872.

It is a happy number.

It is not a de Polignac number, because 278055055011 - 2² = 278055055007 is a prime.

It is a super-2 number, since 2×278055055011² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (278055055081) 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, 4373130 + ... + 4436256.

It is an arithmetic number, because the mean of its divisors is an integer number (23251052448).

Almost surely, 2^278055055011 is an apocalyptic number.

278055055011 is a deficient number, since it is larger than the sum of its proper divisors (93961784157).

278055055011 is a wasteful number, since it uses less digits than its factorization.

278055055011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68162.

The product of its (nonzero) digits is 70000, while the sum is 39.

The spelling of 278055055011 in words is "two hundred seventy-eight billion, fifty-five million, fifty-five thousand, eleven".