1115311501150 has 48 divisors (see below), whose sum is σ = 2586363926400. Its totient is φ = 347629557600.

The previous prime is 1115311501123. The next prime is 1115311501151. The reversal of 1115311501150 is 511051135111.

It is a happy number.

It is a super-3 number, since 3×1115311501150³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115311501151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144841800 + ... + 144849499.

It is an arithmetic number, because the mean of its divisors is an integer number (53882581800).

Almost surely, 2^{1115311501150} is an apocalyptic number.

1115311501150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115311501150 is an abundant number, since it is smaller than the sum of its proper divisors (1471052425250).

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

1115311501150 is a wasteful number, since it uses less digits than its factorization.

1115311501150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289691329 (or 289691324 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 25.

Adding to 1115311501150 its reverse (511051135111), we get a palindrome (1626362636261).

The spelling of 1115311501150 in words is "one trillion, one hundred fifteen billion, three hundred eleven million, five hundred one thousand, one hundred fifty".