1131255252050 has 192 divisors, whose sum is σ = 2681306385408. Its totient is φ = 344892000000.

The previous prime is 1131255251989. The next prime is 1131255252079. The reversal of 1131255252050 is 502525521311.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1131255251998 and 1131255252016.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32257025 + ... + 32292075.

It is an arithmetic number, because the mean of its divisors is an integer number (13965137424).

Almost surely, 2^{1131255252050} is an apocalyptic number.

1131255252050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131255252050 is an abundant number, since it is smaller than the sum of its proper divisors (1550051133358).

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

1131255252050 is a wasteful number, since it uses less digits than its factorization.

1131255252050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35265 (or 35260 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 1131255252050 in words is "one trillion, one hundred thirty-one billion, two hundred fifty-five million, two hundred fifty-two thousand, fifty".