1155312426 has 16 divisors (see below), whose sum is σ = 2343169728. Its totient is φ = 379680000.

The previous prime is 1155312407. The next prime is 1155312427. The reversal of 1155312426 is 6242135511.

It is a junction number, because it is equal to n+sod(n) for n = 1155312393 and 1155312402.

It is not an unprimeable number, because it can be changed into a prime (1155312427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355575 + ... + 1356426.

It is an arithmetic number, because the mean of its divisors is an integer number (146448108).

Almost surely, 2^1155312426 is an apocalyptic number.

1155312426 is an abundant number, since it is smaller than the sum of its proper divisors (1187857302).

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

1155312426 is a wasteful number, since it uses less digits than its factorization.

1155312426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712077.

The product of its digits is 7200, while the sum is 30.

The square root of 1155312426 is about 33989.8871136696. The cubic root of 1155312426 is about 1049.3003429644.

Adding to 1155312426 its reverse (6242135511), we get a palindrome (7397447937).

The spelling of 1155312426 in words is "one billion, one hundred fifty-five million, three hundred twelve thousand, four hundred twenty-six".