1115536538490 has 256 divisors, whose sum is σ = 3112022384640. Its totient is φ = 253269688320.

The previous prime is 1115536538489. The next prime is 1115536538491. The reversal of 1115536538490 is 948356355111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1115536538489) and next prime (1115536538491).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1115536538491) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 69569514 + ... + 69585546.

It is an arithmetic number, because the mean of its divisors is an integer number (12156337440).

Almost surely, 2^{1115536538490} is an apocalyptic number.

1115536538490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115536538490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1556011192320).

1115536538490 is an abundant number, since it is smaller than the sum of its proper divisors (1996485846150).

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

1115536538490 is a wasteful number, since it uses less digits than its factorization.

1115536538490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16269.

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 1115536538490 in words is "one trillion, one hundred fifteen billion, five hundred thirty-six million, five hundred thirty-eight thousand, four hundred ninety".