1011481559 has 8 divisors (see below), whose sum is σ = 1104355728. Its totient is φ = 918760960.

The previous prime is 1011481463. The next prime is 1011481567. The reversal of 1011481559 is 9551841101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011481559 - 2²⁴ = 994704343 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 (1011481259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24392 + ... + 51165.

It is an arithmetic number, because the mean of its divisors is an integer number (138044466).

Almost surely, 2^1011481559 is an apocalyptic number.

1011481559 is a deficient number, since it is larger than the sum of its proper divisors (92874169).

1011481559 is a wasteful number, since it uses less digits than its factorization.

1011481559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76785.

The product of its (nonzero) digits is 7200, while the sum is 35.

The square root of 1011481559 is about 31803.7978706946. The cubic root of 1011481559 is about 1003.8126316992.

The spelling of 1011481559 in words is "one billion, eleven million, four hundred eighty-one thousand, five hundred fifty-nine".