1115642897040 has 320 divisors, whose sum is σ = 4012375191552. Its totient is φ = 251152742400.

The previous prime is 1115642897027. The next prime is 1115642897071. The reversal of 1115642897040 is 407982465111.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 130130194 + ... + 130138766.

Almost surely, 2^{1115642897040} is an apocalyptic number.

1115642897040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115642897040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2006187595776).

1115642897040 is an abundant number, since it is smaller than the sum of its proper divisors (2896732294512).

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

1115642897040 is a wasteful number, since it uses less digits than its factorization.

1115642897040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9758 (or 9752 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 1115642897040 in words is "one trillion, one hundred fifteen billion, six hundred forty-two million, eight hundred ninety-seven thousand, forty".