1137862811 has 2 divisors, whose sum is σ = 1137862812. Its totient is φ = 1137862810.

The previous prime is 1137862771. The next prime is 1137862837. The reversal of 1137862811 is 1182687311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1137862811 is a prime.

It is not a weakly prime, because it can be changed into another prime (1137862211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568931405 + 568931406.

It is an arithmetic number, because the mean of its divisors is an integer number (568931406).

Almost surely, 2^1137862811 is an apocalyptic number.

1137862811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137862811 is an equidigital number, since it uses as much as digits as its factorization.

1137862811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 38.

The square root of 1137862811 is about 33732.2221473771. Note that the first 3 decimals coincide. The cubic root of 1137862811 is about 1043.9907109927.

The spelling of 1137862811 in words is "one billion, one hundred thirty-seven million, eight hundred sixty-two thousand, eight hundred eleven".