231553424251545 has 32 divisors (see below), whose sum is σ = 405657364322304. Its totient is φ = 111854052619200.

The previous prime is 231553424251451. The next prime is 231553424251571. The reversal of 231553424251545 is 545152424355132.

It is not a de Polignac number, because 231553424251545 - 2⁹ = 231553424251033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2589169467 + ... + 2589258896.

It is an arithmetic number, because the mean of its divisors is an integer number (12676792635072).

Almost surely, 2^{231553424251545} is an apocalyptic number.

It is an amenable number.

231553424251545 is a deficient number, since it is larger than the sum of its proper divisors (174103940070759).

231553424251545 is a wasteful number, since it uses less digits than its factorization.

231553424251545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5178428653.

The product of its digits is 14400000, while the sum is 51.

The spelling of 231553424251545 in words is "two hundred thirty-one trillion, five hundred fifty-three billion, four hundred twenty-four million, two hundred fifty-one thousand, five hundred forty-five".