1115497848780 has 720 divisors, whose sum is σ = 4178021402016. Its totient is φ = 248331847680.

The previous prime is 1115497848727. The next prime is 1115497848781. The reversal of 1115497848780 is 878487945111.

1115497848780 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 4 + 9 + 78 + 487 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1115497848781) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 518112184 + ... + 518114336.

Almost surely, 2^{1115497848780} is an apocalyptic number.

1115497848780 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 1115497848780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2089010701008).

1115497848780 is an abundant number, since it is smaller than the sum of its proper divisors (3062523553236).

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

1115497848780 is a wasteful number, since it uses less digits than its factorization.

1115497848780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356 (or 2338 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 63.

The spelling of 1115497848780 in words is "one trillion, one hundred fifteen billion, four hundred ninety-seven million, eight hundred forty-eight thousand, seven hundred eighty".