151531241254121 has 32 divisors (see below), whose sum is σ = 173070004631040. Its totient is φ = 131776092290304.

The previous prime is 151531241254103. The next prime is 151531241254187. The reversal of 151531241254121 is 121452142135151.

It is a cyclic number.

It is not a de Polignac number, because 151531241254121 - 2¹⁴ = 151531241237737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151531241244121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1499246 + ... + 17473128.

It is an arithmetic number, because the mean of its divisors is an integer number (5408437644720).

Almost surely, 2^{151531241254121} is an apocalyptic number.

It is an amenable number.

151531241254121 is a deficient number, since it is larger than the sum of its proper divisors (21538763376919).

151531241254121 is a wasteful number, since it uses less digits than its factorization.

151531241254121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15974645.

The product of its digits is 48000, while the sum is 38.

Adding to 151531241254121 its reverse (121452142135151), we get a palindrome (272983383389272).

The spelling of 151531241254121 in words is "one hundred fifty-one trillion, five hundred thirty-one billion, two hundred forty-one million, two hundred fifty-four thousand, one hundred twenty-one".