148509611 has 2 divisors, whose sum is σ = 148509612. Its totient is φ = 148509610.

The previous prime is 148509553. The next prime is 148509617. The reversal of 148509611 is 116905841.

148509611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148509611 is a prime.

It is not a weakly prime, because it can be changed into another prime (148509617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74254805 + 74254806.

It is an arithmetic number, because the mean of its divisors is an integer number (74254806).

Almost surely, 2^148509611 is an apocalyptic number.

148509611 is a deficient number, since it is larger than the sum of its proper divisors (1).

148509611 is an equidigital number, since it uses as much as digits as its factorization.

148509611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 148509611 is about 12186.4519446802. The cubic root of 148509611 is about 529.5636743548.

The spelling of 148509611 in words is "one hundred forty-eight million, five hundred nine thousand, six hundred eleven".