1155051434 has 32 divisors (see below), whose sum is σ = 1861574400. Its totient is φ = 535575040.

The previous prime is 1155051431. The next prime is 1155051449. The reversal of 1155051434 is 4341505511.

It is a junction number, because it is equal to n+sod(n) for n = 1155051397 and 1155051406.

It is not an unprimeable number, because it can be changed into a prime (1155051431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1267439 + ... + 1268349.

It is an arithmetic number, because the mean of its divisors is an integer number (58174200).

Almost surely, 2^1155051434 is an apocalyptic number.

1155051434 is a deficient number, since it is larger than the sum of its proper divisors (706522966).

1155051434 is a wasteful number, since it uses less digits than its factorization.

1155051434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1155051434 is about 33986.0476372290. The cubic root of 1155051434 is about 1049.2213226019.

Adding to 1155051434 its reverse (4341505511), we get a palindrome (5496556945).

The spelling of 1155051434 in words is "one billion, one hundred fifty-five million, fifty-one thousand, four hundred thirty-four".