1148774551 has 2 divisors, whose sum is σ = 1148774552. Its totient is φ = 1148774550.

The previous prime is 1148774513. The next prime is 1148774569. The reversal of 1148774551 is 1554778411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1148774551 - 2¹⁹ = 1148250263 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1148774498 and 1148774507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1148774351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574387275 + 574387276.

It is an arithmetic number, because the mean of its divisors is an integer number (574387276).

Almost surely, 2^1148774551 is an apocalyptic number.

1148774551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148774551 is an equidigital number, since it uses as much as digits as its factorization.

1148774551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156800, while the sum is 43.

The square root of 1148774551 is about 33893.5768398675. The cubic root of 1148774551 is about 1047.3172788451.

The spelling of 1148774551 in words is "one billion, one hundred forty-eight million, seven hundred seventy-four thousand, five hundred fifty-one".