1011601000040 has 32 divisors (see below), whose sum is σ = 2276383599360. Its totient is φ = 404590382400.

The previous prime is 1011601000027. The next prime is 1011601000073. The reversal of 1011601000040 is 400001061101.

It is a junction number, because it is equal to n+sod(n) for n = 1011600999979 and 1011601000024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234556 + ... + 1883435.

It is an arithmetic number, because the mean of its divisors is an integer number (71136987480).

Almost surely, 2^{1011601000040} is an apocalyptic number.

1011601000040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011601000040 is an abundant number, since it is smaller than the sum of its proper divisors (1264782599320).

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

1011601000040 is a wasteful number, since it uses less digits than its factorization.

1011601000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126113 (or 3126109 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1011601000040 its reverse (400001061101), we get a palindrome (1411602061141).

The spelling of 1011601000040 in words is "one trillion, eleven billion, six hundred one million, forty", and thus it is an aban number.