1400555011 has 2 divisors, whose sum is σ = 1400555012. Its totient is φ = 1400555010.

The previous prime is 1400555003. The next prime is 1400555027. The reversal of 1400555011 is 1105550041.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1105550041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1400555011 - 2³ = 1400555003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1400555041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700277505 + 700277506.

It is an arithmetic number, because the mean of its divisors is an integer number (700277506).

Almost surely, 2^1400555011 is an apocalyptic number.

1400555011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400555011 is an equidigital number, since it uses as much as digits as its factorization.

1400555011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1400555011 is about 37423.9897792846. The cubic root of 1400555011 is about 1118.8367522336.

The spelling of 1400555011 in words is "one billion, four hundred million, five hundred fifty-five thousand, eleven".