234861511155 has 16 divisors (see below), whose sum is σ = 375925439904. Its totient is φ = 125210465280.

The previous prime is 234861511147. The next prime is 234861511177. The reversal of 234861511155 is 551115168432.

It is a happy number.

It is not a de Polignac number, because 234861511155 - 2³ = 234861511147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3023326 + ... + 3100035.

It is an arithmetic number, because the mean of its divisors is an integer number (23495339994).

Almost surely, 2^234861511155 is an apocalyptic number.

234861511155 is a deficient number, since it is larger than the sum of its proper divisors (141063928749).

234861511155 is a wasteful number, since it uses less digits than its factorization.

234861511155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6125926.

The product of its digits is 144000, while the sum is 42.

Adding to 234861511155 its reverse (551115168432), we get a palindrome (785976679587).

The spelling of 234861511155 in words is "two hundred thirty-four billion, eight hundred sixty-one million, five hundred eleven thousand, one hundred fifty-five".