1115552165640 has 128 divisors (see below), whose sum is σ = 3679645777920. Its totient is φ = 268307424000.

The previous prime is 1115552165639. The next prime is 1115552165669. The reversal of 1115552165640 is 465612555111.

It is a junction number, because it is equal to n+sod(n) for n = 1115552165592 and 1115552165601.

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, 3159586 + ... + 3494865.

It is an arithmetic number, because the mean of its divisors is an integer number (28747232640).

Almost surely, 2^{1115552165640} is an apocalyptic number.

1115552165640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115552165640 is an abundant number, since it is smaller than the sum of its proper divisors (2564093612280).

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

1115552165640 is a wasteful number, since it uses less digits than its factorization.

1115552165640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6654603 (or 6654599 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 42.

The spelling of 1115552165640 in words is "one trillion, one hundred fifteen billion, five hundred fifty-two million, one hundred sixty-five thousand, six hundred forty".