110155391 has 2 divisors, whose sum is σ = 110155392. Its totient is φ = 110155390.

The previous prime is 110155373. The next prime is 110155429. The reversal of 110155391 is 193551011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110155391 - 2¹⁰ = 110154367 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110155391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110155351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55077695 + 55077696.

It is an arithmetic number, because the mean of its divisors is an integer number (55077696).

Almost surely, 2^110155391 is an apocalyptic number.

110155391 is a deficient number, since it is larger than the sum of its proper divisors (1).

110155391 is an equidigital number, since it uses as much as digits as its factorization.

110155391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 26.

The square root of 110155391 is about 10495.4938425974. The cubic root of 110155391 is about 479.3674987990.

The spelling of 110155391 in words is "one hundred ten million, one hundred fifty-five thousand, three hundred ninety-one".