1100512020040 has 64 divisors (see below), whose sum is σ = 2497170332160. Its totient is φ = 436483968000.

The previous prime is 1100512020029. The next prime is 1100512020109. The reversal of 1100512020040 is 400202150011.

It is a super-2 number, since 2×1100512020040² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1100512019996 and 1100512020023.

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, 1993152 + ... + 2484688.

It is an arithmetic number, because the mean of its divisors is an integer number (39018286440).

Almost surely, 2^{1100512020040} is an apocalyptic number.

1100512020040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100512020040 is an abundant number, since it is smaller than the sum of its proper divisors (1396658312120).

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

1100512020040 is a wasteful number, since it uses less digits than its factorization.

1100512020040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492022 (or 492018 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 1100512020040 its reverse (400202150011), we get a palindrome (1500714170051).

The spelling of 1100512020040 in words is "one trillion, one hundred billion, five hundred twelve million, twenty thousand, forty".