1131325434455 has 4 divisors (see below), whose sum is σ = 1357590521352. Its totient is φ = 905060347560.

The previous prime is 1131325434451. The next prime is 1131325434469. The reversal of 1131325434455 is 5544345231311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1131325434455 - 2² = 1131325434451 is a prime.

It is a super-2 number, since 2×1131325434455² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131325434451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113132543441 + ... + 113132543450.

It is an arithmetic number, because the mean of its divisors is an integer number (339397630338).

Almost surely, 2^{1131325434455} is an apocalyptic number.

1131325434455 is a deficient number, since it is larger than the sum of its proper divisors (226265086897).

1131325434455 is an equidigital number, since it uses as much as digits as its factorization.

1131325434455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226265086896.

The product of its digits is 432000, while the sum is 41.

The spelling of 1131325434455 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-five million, four hundred thirty-four thousand, four hundred fifty-five".