154115053211 has 4 divisors (see below), whose sum is σ = 176131489392. Its totient is φ = 132098617032.

The previous prime is 154115053187. The next prime is 154115053219. The reversal of 154115053211 is 112350511451.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112350511451 = 3023 ⋅37165237.

It is a cyclic number.

It is not a de Polignac number, because 154115053211 - 2¹⁴ = 154115036827 is a prime.

It is a super-2 number, since 2×154115053211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154115053219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11008218080 + ... + 11008218093.

It is an arithmetic number, because the mean of its divisors is an integer number (44032872348).

Almost surely, 2^154115053211 is an apocalyptic number.

154115053211 is a deficient number, since it is larger than the sum of its proper divisors (22016436181).

154115053211 is an equidigital number, since it uses as much as digits as its factorization.

154115053211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22016436180.

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 154115053211 its reverse (112350511451), we get a palindrome (266465564662).

The spelling of 154115053211 in words is "one hundred fifty-four billion, one hundred fifteen million, fifty-three thousand, two hundred eleven".