151111221224401 has 16 divisors (see below), whose sum is σ = 152051492912704. Its totient is φ = 150174508970304.

The previous prime is 151111221224393. The next prime is 151111221224539. The reversal of 151111221224401 is 104422122111151.

151111221224401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 151111221224401 - 2³ = 151111221224393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151111221224401.

It is not an unprimeable number, because it can be changed into a prime (151111221234401) 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, 141930226 + ... + 142990948.

It is an arithmetic number, because the mean of its divisors is an integer number (9503218307044).

Almost surely, 2^{151111221224401} is an apocalyptic number.

It is an amenable number.

151111221224401 is a deficient number, since it is larger than the sum of its proper divisors (940271688303).

151111221224401 is a wasteful number, since it uses less digits than its factorization.

151111221224401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062400.

The product of its (nonzero) digits is 1280, while the sum is 28.

Adding to 151111221224401 its reverse (104422122111151), we get a palindrome (255533343335552).

The spelling of 151111221224401 in words is "one hundred fifty-one trillion, one hundred eleven billion, two hundred twenty-one million, two hundred twenty-four thousand, four hundred one".