1155051342 has 12 divisors (see below), whose sum is σ = 2502611280. Its totient is φ = 385017108.

The previous prime is 1155051307. The next prime is 1155051377. The reversal of 1155051342 is 2431505511.

1155051342 is a `hidden beast` number, since 115 + 505 + 1 + 3 + 42 = 666.

1155051342 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1155051307) and next prime (1155051377).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32084742 + ... + 32084777.

It is an arithmetic number, because the mean of its divisors is an integer number (208550940).

Almost surely, 2^1155051342 is an apocalyptic number.

1155051342 is an abundant number, since it is smaller than the sum of its proper divisors (1347559938).

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

1155051342 is a wasteful number, since it uses less digits than its factorization.

1155051342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64169527 (or 64169524 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1155051342 is about 33986.0462837324. The cubic root of 1155051342 is about 1049.2212947451.

Adding to 1155051342 its reverse (2431505511), we get a palindrome (3586556853).

The spelling of 1155051342 in words is "one billion, one hundred fifty-five million, fifty-one thousand, three hundred forty-two".