1011040101040 has 80 divisors (see below), whose sum is σ = 2574768552480. Its totient is φ = 367501783040.

The previous prime is 1011040100977. The next prime is 1011040101053. The reversal of 1011040101040 is 401010401101.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 1011040101040.

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, 12778006 + ... + 12856885.

It is an arithmetic number, because the mean of its divisors is an integer number (32184606906).

Almost surely, 2^{1011040101040} is an apocalyptic number.

1011040101040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011040101040 is an abundant number, since it is smaller than the sum of its proper divisors (1563728451440).

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

1011040101040 is a wasteful number, since it uses less digits than its factorization.

1011040101040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25634950 (or 25634944 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1011040101040 its reverse (401010401101), we get a palindrome (1412050502141).

The spelling of 1011040101040 in words is "one trillion, eleven billion, forty million, one hundred one thousand, forty".