1150999776 has 36 divisors (see below), whose sum is σ = 3273156432. Its totient is φ = 383666496.

The previous prime is 1150999757. The next prime is 1150999777. The reversal of 1150999776 is 6779990511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150999777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1997976 + ... + 1998551.

It is an arithmetic number, because the mean of its divisors is an integer number (90921012).

Almost surely, 2^1150999776 is an apocalyptic number.

1150999776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1150999776 is an abundant number, since it is smaller than the sum of its proper divisors (2122156656).

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

1150999776 is a wasteful number, since it uses less digits than its factorization.

1150999776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996543 (or 3996532 counting only the distinct ones).

The product of its (nonzero) digits is 1071630, while the sum is 54.

The square root of 1150999776 is about 33926.3876061098. The cubic root of 1150999776 is about 1047.9930753384.

The spelling of 1150999776 in words is "one billion, one hundred fifty million, nine hundred ninety-nine thousand, seven hundred seventy-six".