32155504001 has 4 divisors (see below), whose sum is σ = 32156544432. Its totient is φ = 32154463572.

The previous prime is 32155503967. The next prime is 32155504009. The reversal of 32155504001 is 10040555123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10040555123 = 73 ⋅137541851.

It is a cyclic number.

It is not a de Polignac number, because 32155504001 - 2¹⁸ = 32155241857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32155504009) 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, 472391 + ... + 536156.

It is an arithmetic number, because the mean of its divisors is an integer number (8039136108).

Almost surely, 2^32155504001 is an apocalyptic number.

It is an amenable number.

32155504001 is a deficient number, since it is larger than the sum of its proper divisors (1040431).

32155504001 is a wasteful number, since it uses less digits than its factorization.

32155504001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040430.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 32155504001 in words is "thirty-two billion, one hundred fifty-five million, five hundred four thousand, one".