1131135616450 has 48 divisors (see below), whose sum is σ = 2408282181504. Its totient is φ = 387203241600.

The previous prime is 1131135616409. The next prime is 1131135616459. The reversal of 1131135616450 is 546165311311.

It is a super-3 number, since 3×1131135616450³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131135616459) 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, 2340019 + ... + 2781718.

It is an arithmetic number, because the mean of its divisors is an integer number (50172545448).

Almost surely, 2^{1131135616450} is an apocalyptic number.

1131135616450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131135616450 is an abundant number, since it is smaller than the sum of its proper divisors (1277146565054).

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

1131135616450 is a wasteful number, since it uses less digits than its factorization.

1131135616450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122387 (or 5122382 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 1131135616450 in words is "one trillion, one hundred thirty-one billion, one hundred thirty-five million, six hundred sixteen thousand, four hundred fifty".