1131133434420 has 96 divisors (see below), whose sum is σ = 3605320212480. Its totient is φ = 262291807360.

The previous prime is 1131133434311. The next prime is 1131133434461. The reversal of 1131133434420 is 244343311311.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37242180 + ... + 37272539.

It is an arithmetic number, because the mean of its divisors is an integer number (37555418880).

Almost surely, 2^{1131133434420} is an apocalyptic number.

1131133434420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131133434420 is an abundant number, since it is smaller than the sum of its proper divisors (2474186778060).

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

1131133434420 is a wasteful number, since it uses less digits than its factorization.

1131133434420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74514765 (or 74514763 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 1131133434420 its reverse (244343311311), we get a palindrome (1375476745731).

The spelling of 1131133434420 in words is "one trillion, one hundred thirty-one billion, one hundred thirty-three million, four hundred thirty-four thousand, four hundred twenty".