1131550222500 has 120 divisors (see below), whose sum is σ = 3665887665440. Its totient is φ = 301746708000.

The previous prime is 1131550222477. The next prime is 1131550222501. The reversal of 1131550222500 is 52220551311.

1131550222500 is a `hidden beast` number, since 1 + 1 + 3 + 155 + 0 + 2 + 2 + 2 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1131550222501) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8314354 + ... + 8449353.

Almost surely, 2^{1131550222500} is an apocalyptic number.

1131550222500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131550222500 is an abundant number, since it is smaller than the sum of its proper divisors (2534337442940).

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

1131550222500 is a wasteful number, since it uses less digits than its factorization.

1131550222500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16763740 (or 16763717 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 1131550222500 its reverse (52220551311), we get a palindrome (1183770773811).

The spelling of 1131550222500 in words is "one trillion, one hundred thirty-one billion, five hundred fifty million, two hundred twenty-two thousand, five hundred".