1150778479 has 2 divisors, whose sum is σ = 1150778480. Its totient is φ = 1150778478.

The previous prime is 1150778441. The next prime is 1150778507. The reversal of 1150778479 is 9748770511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1150778479 - 2⁹ = 1150777967 is a prime.

It is a super-2 number, since 2×1150778479² = 2648582215459106882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150778429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575389239 + 575389240.

It is an arithmetic number, because the mean of its divisors is an integer number (575389240).

Almost surely, 2^1150778479 is an apocalyptic number.

1150778479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150778479 is an equidigital number, since it uses as much as digits as its factorization.

1150778479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920, while the sum is 49.

The square root of 1150778479 is about 33923.1260204598. The cubic root of 1150778479 is about 1047.9259068954.

The spelling of 1150778479 in words is "one billion, one hundred fifty million, seven hundred seventy-eight thousand, four hundred seventy-nine".