1148115619 has 12 divisors (see below), whose sum is σ = 1340506848. Its totient is φ = 980456400.

The previous prime is 1148115599. The next prime is 1148115623. The reversal of 1148115619 is 9165118411.

It is not a de Polignac number, because 1148115619 - 2⁷ = 1148115491 is a prime.

It is a super-2 number, since 2×1148115619² = 2636338949183506322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148115719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29952 + ... + 56509.

It is an arithmetic number, because the mean of its divisors is an integer number (111708904).

Almost surely, 2^1148115619 is an apocalyptic number.

1148115619 is a deficient number, since it is larger than the sum of its proper divisors (192391229).

1148115619 is an equidigital number, since it uses as much as digits as its factorization.

1148115619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86746 (or 86739 counting only the distinct ones).

The product of its digits is 8640, while the sum is 37.

The square root of 1148115619 is about 33883.8548426828. The cubic root of 1148115619 is about 1047.1169950271.

The spelling of 1148115619 in words is "one billion, one hundred forty-eight million, one hundred fifteen thousand, six hundred nineteen".