1001411121040 has 40 divisors (see below), whose sum is σ = 2539942754688. Its totient is φ = 364149498240.

The previous prime is 1001411121001. The next prime is 1001411121071. The reversal of 1001411121040 is 401211141001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 568982712 + ... + 568984471.

Almost surely, 2^{1001411121040} is an apocalyptic number.

1001411121040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001411121040 is an abundant number, since it is smaller than the sum of its proper divisors (1538531633648).

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

1001411121040 is a wasteful number, since it uses less digits than its factorization.

1001411121040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137967207 (or 1137967201 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1001411121040 its reverse (401211141001), we get a palindrome (1402622262041).

The spelling of 1001411121040 in words is "one trillion, one billion, four hundred eleven million, one hundred twenty-one thousand, forty".