23505553215151 has 8 divisors (see below), whose sum is σ = 26863522154784. Its totient is φ = 20147592467040.

The previous prime is 23505553215097. The next prime is 23505553215173. The reversal of 23505553215151 is 15151235550532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23505553215151 - 2¹⁵ = 23505553182383 is a prime.

It is a super-2 number, since 2×23505553215151² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23505553215098 and 23505553215107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23505553215191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6454281 + ... + 9416413.

It is an arithmetic number, because the mean of its divisors is an integer number (3357940269348).

Almost surely, 2^{23505553215151} is an apocalyptic number.

23505553215151 is a deficient number, since it is larger than the sum of its proper divisors (3357968939633).

23505553215151 is a wasteful number, since it uses less digits than its factorization.

23505553215151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095761.

The product of its (nonzero) digits is 562500, while the sum is 43.

Adding to 23505553215151 its reverse (15151235550532), we get a palindrome (38656788765683).

The spelling of 23505553215151 in words is "twenty-three trillion, five hundred five billion, five hundred fifty-three million, two hundred fifteen thousand, one hundred fifty-one".