32154530004021 has 16 divisors (see below), whose sum is σ = 45425744222400. Its totient is φ = 20161563095808.

The previous prime is 32154530003993. The next prime is 32154530004031. The reversal of 32154530004021 is 12040003545123.

It is not a de Polignac number, because 32154530004021 - 2¹⁰ = 32154530002997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32154530004021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32154530004031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215991726 + ... + 216140543.

It is an arithmetic number, because the mean of its divisors is an integer number (2839109013900).

Almost surely, 2^{32154530004021} is an apocalyptic number.

It is an amenable number.

32154530004021 is a deficient number, since it is larger than the sum of its proper divisors (13271214218379).

32154530004021 is a wasteful number, since it uses less digits than its factorization.

32154530004021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432133748.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 32154530004021 its reverse (12040003545123), we get a palindrome (44194533549144).

The spelling of 32154530004021 in words is "thirty-two trillion, one hundred fifty-four billion, five hundred thirty million, four thousand, twenty-one".