23155150531001 has 16 divisors (see below), whose sum is σ = 23323687166208. Its totient is φ = 22986951638400.

The previous prime is 23155150530977. The next prime is 23155150531057. The reversal of 23155150531001 is 10013505155132.

It is a cyclic number.

It is not a de Polignac number, because 23155150531001 - 2²² = 23155146336697 is a prime.

It is a super-2 number, since 2×23155150531001² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23155150531301) 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 15 ways as a sum of consecutive naturals, for example, 552067691 + ... + 552109631.

It is an arithmetic number, because the mean of its divisors is an integer number (1457730447888).

Almost surely, 2^{23155150531001} is an apocalyptic number.

It is an amenable number.

23155150531001 is a deficient number, since it is larger than the sum of its proper divisors (168536635207).

23155150531001 is a wasteful number, since it uses less digits than its factorization.

23155150531001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45872.

The product of its (nonzero) digits is 11250, while the sum is 32.

Adding to 23155150531001 its reverse (10013505155132), we get a palindrome (33168655686133).

The spelling of 23155150531001 in words is "twenty-three trillion, one hundred fifty-five billion, one hundred fifty million, five hundred thirty-one thousand, one".