154051121133 has 96 divisors (see below), whose sum is σ = 286060902400. Its totient is φ = 80671536576.

The previous prime is 154051121129. The next prime is 154051121137. The reversal of 154051121133 is 331121150451.

154051121133 is a `hidden beast` number, since 1 + 5 + 405 + 1 + 121 + 133 = 666.

It is an interprime number because it is at equal distance from previous prime (154051121129) and next prime (154051121137).

It is not a de Polignac number, because 154051121133 - 2² = 154051121129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 154051121097 and 154051121106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154051121137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3048648 + ... + 3098766.

Almost surely, 2^154051121133 is an apocalyptic number.

154051121133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

154051121133 is a deficient number, since it is larger than the sum of its proper divisors (132009781267).

154051121133 is a wasteful number, since it uses less digits than its factorization.

154051121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50293 (or 50281 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 154051121133 its reverse (331121150451), we get a palindrome (485172271584).

The spelling of 154051121133 in words is "one hundred fifty-four billion, fifty-one million, one hundred twenty-one thousand, one hundred thirty-three".