1540086311 has 2 divisors, whose sum is σ = 1540086312. Its totient is φ = 1540086310.

The previous prime is 1540086307. The next prime is 1540086341. The reversal of 1540086311 is 1136800451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1540086311 - 2² = 1540086307 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1540086341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770043155 + 770043156.

It is an arithmetic number, because the mean of its divisors is an integer number (770043156).

Almost surely, 2^1540086311 is an apocalyptic number.

1540086311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1540086311 is an equidigital number, since it uses as much as digits as its factorization.

1540086311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1540086311 is about 39243.9334292576. The cubic root of 1540086311 is about 1154.8219239086.

Adding to 1540086311 its reverse (1136800451), we get a palindrome (2676886762).

The spelling of 1540086311 in words is "one billion, five hundred forty million, eighty-six thousand, three hundred eleven".