11478014281 has 2 divisors, whose sum is σ = 11478014282. Its totient is φ = 11478014280.

The previous prime is 11478014279. The next prime is 11478014333. The reversal of 11478014281 is 18241087411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7371767881 + 4106246400 = 85859^2 + 64080^2 .

It is a cyclic number.

It is not a de Polignac number, because 11478014281 - 2¹ = 11478014279 is a prime.

It is a super-2 number, since 2×11478014281² (a number of 21 digits) contains 22 as substring.

Together with 11478014279, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11478014281.

It is not a weakly prime, because it can be changed into another prime (11478014221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5739007140 + 5739007141.

It is an arithmetic number, because the mean of its divisors is an integer number (5739007141).

Almost surely, 2^11478014281 is an apocalyptic number.

It is an amenable number.

11478014281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11478014281 is an equidigital number, since it uses as much as digits as its factorization.

11478014281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 37.

The spelling of 11478014281 in words is "eleven billion, four hundred seventy-eight million, fourteen thousand, two hundred eighty-one".