1115655560040 has 128 divisors (see below), whose sum is σ = 3991413749760. Its totient is φ = 243919720704.

The previous prime is 1115655559981. The next prime is 1115655560057. The reversal of 1115655560040 is 400655565111.

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, 28853754 + ... + 28892393.

It is an arithmetic number, because the mean of its divisors is an integer number (31182919920).

Almost surely, 2^{1115655560040} is an apocalyptic number.

1115655560040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115655560040 is an abundant number, since it is smaller than the sum of its proper divisors (2875758189720).

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

1115655560040 is a wasteful number, since it uses less digits than its factorization.

1115655560040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57746191 (or 57746187 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 1115655560040 in words is "one trillion, one hundred fifteen billion, six hundred fifty-five million, five hundred sixty thousand, forty".