23255553150551 has 2 divisors, whose sum is σ = 23255553150552. Its totient is φ = 23255553150550.

The previous prime is 23255553150493. The next prime is 23255553150553. The reversal of 23255553150551 is 15505135555232.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23255553150551 - 2²² = 23255548956247 is a prime.

Together with 23255553150553, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23255553150496 and 23255553150505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23255553150553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11627776575275 + 11627776575276.

It is an arithmetic number, because the mean of its divisors is an integer number (11627776575276).

Almost surely, 2^{23255553150551} is an apocalyptic number.

23255553150551 is a deficient number, since it is larger than the sum of its proper divisors (1).

23255553150551 is an equidigital number, since it uses as much as digits as its factorization.

23255553150551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2812500, while the sum is 47.

The spelling of 23255553150551 in words is "twenty-three trillion, two hundred fifty-five billion, five hundred fifty-three million, one hundred fifty thousand, five hundred fifty-one".