1146911815 has 16 divisors (see below), whose sum is σ = 1577947968. Its totient is φ = 783933696.

The previous prime is 1146911789. The next prime is 1146911827. The reversal of 1146911815 is 5181196411.

It is not a de Polignac number, because 1146911815 - 2¹¹ = 1146909767 is a prime.

It is a super-2 number, since 2×1146911815² = 2630813422773188450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41392 + ... + 63301.

It is an arithmetic number, because the mean of its divisors is an integer number (98621748).

Almost surely, 2^1146911815 is an apocalyptic number.

1146911815 is a deficient number, since it is larger than the sum of its proper divisors (431036153).

1146911815 is a wasteful number, since it uses less digits than its factorization.

1146911815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105018.

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

The square root of 1146911815 is about 33866.0865025766. The cubic root of 1146911815 is about 1046.7508982050.

The spelling of 1146911815 in words is "one billion, one hundred forty-six million, nine hundred eleven thousand, eight hundred fifteen".