1121432323555 has 8 divisors (see below), whose sum is σ = 1346471859312. Its totient is φ = 896643811488.

The previous prime is 1121432323537. The next prime is 1121432323579. The reversal of 1121432323555 is 5553232341211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121432323555 - 2⁵ = 1121432323523 is a prime.

It is a super-2 number, since 2×1121432323555² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62746092 + ... + 62763961.

It is an arithmetic number, because the mean of its divisors is an integer number (168308982414).

Almost surely, 2^{1121432323555} is an apocalyptic number.

1121432323555 is a deficient number, since it is larger than the sum of its proper divisors (225039535757).

1121432323555 is a wasteful number, since it uses less digits than its factorization.

1121432323555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125511845.

The product of its digits is 108000, while the sum is 37.

Adding to 1121432323555 its reverse (5553232341211), we get a palindrome (6674664664766).

The spelling of 1121432323555 in words is "one trillion, one hundred twenty-one billion, four hundred thirty-two million, three hundred twenty-three thousand, five hundred fifty-five".