1151294180 has 12 divisors (see below), whose sum is σ = 2417717820. Its totient is φ = 460517664.

The previous prime is 1151294161. The next prime is 1151294191. The reversal of 1151294180 is 814921511.

It can be written as a sum of positive squares in 2 ways, for example, as 140944384 + 1010349796 = 11872^2 + 31786^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28782335 + ... + 28782374.

It is an arithmetic number, because the mean of its divisors is an integer number (201476485).

Almost surely, 2^1151294180 is an apocalyptic number.

1151294180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151294180 is an abundant number, since it is smaller than the sum of its proper divisors (1266423640).

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

1151294180 is a wasteful number, since it uses less digits than its factorization.

1151294180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57564718 (or 57564716 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 1151294180 is about 33930.7261932308. The cubic root of 1151294180 is about 1048.0824199985.

The spelling of 1151294180 in words is "one billion, one hundred fifty-one million, two hundred ninety-four thousand, one hundred eighty".