1151046816 has 48 divisors (see below), whose sum is σ = 3026628864. Its totient is φ = 383030784.

The previous prime is 1151046811. The next prime is 1151046821. The reversal of 1151046816 is 6186401511.

It is an interprime number because it is at equal distance from previous prime (1151046811) and next prime (1151046821).

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1151046811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48396 + ... + 68148.

It is an arithmetic number, because the mean of its divisors is an integer number (63054768).

Almost surely, 2^1151046816 is an apocalyptic number.

1151046816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1151046816 is an abundant number, since it is smaller than the sum of its proper divisors (1875582048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151046816 is a wasteful number, since it uses less digits than its factorization.

1151046816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20373 (or 20365 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1151046816 is about 33927.0808647016. The cubic root of 1151046816 is about 1048.0073518898.

The spelling of 1151046816 in words is "one billion, one hundred fifty-one million, forty-six thousand, eight hundred sixteen".