1011304011260 has 96 divisors (see below), whose sum is σ = 2238667320960. Its totient is φ = 382998167552.

The previous prime is 1011304011259. The next prime is 1011304011317. The reversal of 1011304011260 is 621104031101.

It is a happy number.

It is a super-3 number, since 3×1011304011260³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40167956 + ... + 40193124.

It is an arithmetic number, because the mean of its divisors is an integer number (23319451260).

Almost surely, 2^{1011304011260} is an apocalyptic number.

1011304011260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011304011260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119333660480).

1011304011260 is an abundant number, since it is smaller than the sum of its proper divisors (1227363309700).

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

1011304011260 is a wasteful number, since it uses less digits than its factorization.

1011304011260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26087 (or 26085 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1011304011260 its reverse (621104031101), we get a palindrome (1632408042361).

The spelling of 1011304011260 in words is "one trillion, eleven billion, three hundred four million, eleven thousand, two hundred sixty".