1111640147 has 2 divisors, whose sum is σ = 1111640148. Its totient is φ = 1111640146.

The previous prime is 1111640143. The next prime is 1111640177. The reversal of 1111640147 is 7410461111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111640147 - 2² = 1111640143 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111640141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555820073 + 555820074.

It is an arithmetic number, because the mean of its divisors is an integer number (555820074).

Almost surely, 2^1111640147 is an apocalyptic number.

1111640147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111640147 is an equidigital number, since it uses as much as digits as its factorization.

1111640147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 1111640147 is about 33341.2679272999. The cubic root of 1111640147 is about 1035.9085263198.

The spelling of 1111640147 in words is "one billion, one hundred eleven million, six hundred forty thousand, one hundred forty-seven".