1011481011 has 24 divisors (see below), whose sum is σ = 1549570464. Its totient is φ = 633588480.

The previous prime is 1011481007. The next prime is 1011481013. The reversal of 1011481011 is 1101841101.

It is a happy number.

It is not a de Polignac number, because 1011481011 - 2² = 1011481007 is a prime.

It is a super-2 number, since 2×1011481011² = 2046187671227164242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011481013) 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, 91305 + ... + 101781.

It is an arithmetic number, because the mean of its divisors is an integer number (64565436).

Almost surely, 2^1011481011 is an apocalyptic number.

1011481011 is a deficient number, since it is larger than the sum of its proper divisors (538089453).

1011481011 is a wasteful number, since it uses less digits than its factorization.

1011481011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11131 (or 11128 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

The square root of 1011481011 is about 31803.7892553702. The cubic root of 1011481011 is about 1003.8124504174.

It can be divided in two parts, 10114 and 81011, that added together give a cube (91125 = 45³).

The spelling of 1011481011 in words is "one billion, eleven million, four hundred eighty-one thousand, eleven".