1011011004 has 48 divisors (see below), whose sum is σ = 2622967200. Its totient is φ = 336768768.

The previous prime is 1011010951. The next prime is 1011011017. The reversal of 1011011004 is 4001101101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227734 + ... + 232130.

It is an arithmetic number, because the mean of its divisors is an integer number (54645150).

Almost surely, 2^1011011004 is an apocalyptic number.

It is an amenable number.

1011011004 is an abundant number, since it is smaller than the sum of its proper divisors (1611956196).

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

1011011004 is a wasteful number, since it uses less digits than its factorization.

1011011004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539 (or 6531 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1011011004 is about 31796.3992301015. The cubic root of 1011011004 is about 1003.6569451173.

Adding to 1011011004 its reverse (4001101101), we get a palindrome (5012112105).

The spelling of 1011011004 in words is "one billion, eleven million, eleven thousand, four".