1108378451 has 2 divisors, whose sum is σ = 1108378452. Its totient is φ = 1108378450.

The previous prime is 1108378421. The next prime is 1108378457. The reversal of 1108378451 is 1548738011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1108378451 - 2³⁰ = 34636627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1108378457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554189225 + 554189226.

It is an arithmetic number, because the mean of its divisors is an integer number (554189226).

Almost surely, 2^1108378451 is an apocalyptic number.

1108378451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108378451 is an equidigital number, since it uses as much as digits as its factorization.

1108378451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 1108378451 is about 33292.3181980468. The cubic root of 1108378451 is about 1034.8943705748.

The spelling of 1108378451 in words is "one billion, one hundred eight million, three hundred seventy-eight thousand, four hundred fifty-one".