1151234155 has 8 divisors (see below), whose sum is σ = 1387677312. Its totient is φ = 916856448.

The previous prime is 1151234143. The next prime is 1151234171. The reversal of 1151234155 is 5514321511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151234155 is a prime.

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, 515134 + ... + 517363.

It is an arithmetic number, because the mean of its divisors is an integer number (173459664).

Almost surely, 2^1151234155 is an apocalyptic number.

1151234155 is a deficient number, since it is larger than the sum of its proper divisors (236443157).

1151234155 is a wasteful number, since it uses less digits than its factorization.

1151234155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032725.

The product of its digits is 3000, while the sum is 28.

The square root of 1151234155 is about 33929.8416589291. The cubic root of 1151234155 is about 1048.0642050650.

Adding to 1151234155 its reverse (5514321511), we get a palindrome (6665555666).

The spelling of 1151234155 in words is "one billion, one hundred fifty-one million, two hundred thirty-four thousand, one hundred fifty-five".