1148755831 has 2 divisors, whose sum is σ = 1148755832. Its totient is φ = 1148755830.

The previous prime is 1148755787. The next prime is 1148755847. The reversal of 1148755831 is 1385578411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1148755831 - 2¹⁹ = 1148231543 is a prime.

It is a super-2 number, since 2×1148755831² = 2639279918513001122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1148755031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574377915 + 574377916.

It is an arithmetic number, because the mean of its divisors is an integer number (574377916).

Almost surely, 2^1148755831 is an apocalyptic number.

1148755831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148755831 is an equidigital number, since it uses as much as digits as its factorization.

1148755831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 43.

The square root of 1148755831 is about 33893.3006802229. The cubic root of 1148755831 is about 1047.3115899175.

The spelling of 1148755831 in words is "one billion, one hundred forty-eight million, seven hundred fifty-five thousand, eight hundred thirty-one".