1181015480 has 16 divisors (see below), whose sum is σ = 2657284920. Its totient is φ = 472406176.

The previous prime is 1181015441. The next prime is 1181015501. The reversal of 1181015480 is 845101811.

It is a congruent number.

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, 14762654 + ... + 14762733.

Almost surely, 2^1181015480 is an apocalyptic number.

1181015480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1181015480 is an abundant number, since it is smaller than the sum of its proper divisors (1476269440).

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

1181015480 is a wasteful number, since it uses less digits than its factorization.

1181015480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29525398 (or 29525394 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 29.

The square root of 1181015480 is about 34365.9057788384. The cubic root of 1181015480 is about 1057.0248482484.

The spelling of 1181015480 in words is "one billion, one hundred eighty-one million, fifteen thousand, four hundred eighty".