109278907603 has 2 divisors, whose sum is σ = 109278907604. Its totient is φ = 109278907602.

The previous prime is 109278907589. The next prime is 109278907609. The reversal of 109278907603 is 306709872901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109278907603 - 2²⁵ = 109245353171 is a prime.

It is a super-2 number, since 2×109278907603² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (109278907609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54639453801 + 54639453802.

It is an arithmetic number, because the mean of its divisors is an integer number (54639453802).

Almost surely, 2^109278907603 is an apocalyptic number.

109278907603 is a deficient number, since it is larger than the sum of its proper divisors (1).

109278907603 is an equidigital number, since it uses as much as digits as its factorization.

109278907603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 109278907603 in words is "one hundred nine billion, two hundred seventy-eight million, nine hundred seven thousand, six hundred three".