1151355784068 has 72 divisors (see below), whose sum is σ = 3327409874880. Its totient is φ = 328833097920.

The previous prime is 1151355784063. The next prime is 1151355784069. The reversal of 1151355784068 is 8604875531511.

1151355784068 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 3 + 5 + 578 + 4 + 0 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (1151355784063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211098 + ... + 1532081.

It is an arithmetic number, because the mean of its divisors is an integer number (46214026040).

Almost surely, 2^{1151355784068} is an apocalyptic number.

1151355784068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1151355784068 is an abundant number, since it is smaller than the sum of its proper divisors (2176054090812).

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

1151355784068 is a wasteful number, since it uses less digits than its factorization.

1151355784068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745817 (or 1745812 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 54.

The spelling of 1151355784068 in words is "one trillion, one hundred fifty-one billion, three hundred fifty-five million, seven hundred eighty-four thousand, sixty-eight".