1151141999 has 12 divisors (see below), whose sum is σ = 1388479824. Its totient is φ = 934759872.

The previous prime is 1151141993. The next prime is 1151142017. The reversal of 1151141999 is 9991411511.

It is not a de Polignac number, because 1151141999 - 2¹⁶ = 1151076463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151141993) 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, 225242 + ... + 230295.

It is an arithmetic number, because the mean of its divisors is an integer number (115706652).

Almost surely, 2^1151141999 is an apocalyptic number.

1151141999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1151141999 is a deficient number, since it is larger than the sum of its proper divisors (237337825).

1151141999 is an equidigital number, since it uses as much as digits as its factorization.

1151141999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455582 (or 455563 counting only the distinct ones).

The product of its digits is 14580, while the sum is 41.

The square root of 1151141999 is about 33928.4835941720. The cubic root of 1151141999 is about 1048.0362385615.

The spelling of 1151141999 in words is "one billion, one hundred fifty-one million, one hundred forty-one thousand, nine hundred ninety-nine".