151123521001 has 2 divisors, whose sum is σ = 151123521002. Its totient is φ = 151123521000.

The previous prime is 151123520981. The next prime is 151123521023. The reversal of 151123521001 is 100125321151.

It is an a-pointer prime, because the next prime (151123521023) can be obtained adding 151123521001 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110190138601 + 40933382400 = 331949^2 + 202320^2 .

It is a cyclic number.

It is not a de Polignac number, because 151123521001 - 2⁵ = 151123520969 is a prime.

It is not a weakly prime, because it can be changed into another prime (151123521061) 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 as a sum of consecutive naturals, namely, 75561760500 + 75561760501.

It is an arithmetic number, because the mean of its divisors is an integer number (75561760501).

Almost surely, 2^151123521001 is an apocalyptic number.

It is an amenable number.

151123521001 is a deficient number, since it is larger than the sum of its proper divisors (1).

151123521001 is an equidigital number, since it uses as much as digits as its factorization.

151123521001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 151123521001 its reverse (100125321151), we get a palindrome (251248842152).

The spelling of 151123521001 in words is "one hundred fifty-one billion, one hundred twenty-three million, five hundred twenty-one thousand, one".