151223260521 has 16 divisors (see below), whose sum is σ = 213513504768. Its totient is φ = 94875475200.

The previous prime is 151223260501. The next prime is 151223260537. The reversal of 151223260521 is 125062322151.

It is not a de Polignac number, because 151223260521 - 2³⁰ = 150149518697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151223260501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369031 + ... + 662291.

It is an arithmetic number, because the mean of its divisors is an integer number (13344594048).

Almost surely, 2^151223260521 is an apocalyptic number.

It is an amenable number.

151223260521 is a deficient number, since it is larger than the sum of its proper divisors (62290244247).

151223260521 is a wasteful number, since it uses less digits than its factorization.

151223260521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303392.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 151223260521 its reverse (125062322151), we get a palindrome (276285582672).

The spelling of 151223260521 in words is "one hundred fifty-one billion, two hundred twenty-three million, two hundred sixty thousand, five hundred twenty-one".