151051220117 has 4 divisors (see below), whose sum is σ = 172629965856. Its totient is φ = 129472474380.

The previous prime is 151051220101. The next prime is 151051220129. The reversal of 151051220117 is 711022150151.

151051220117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 151051220117 - 2⁴ = 151051220101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151051220197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10789372859 + ... + 10789372872.

It is an arithmetic number, because the mean of its divisors is an integer number (43157491464).

Almost surely, 2^151051220117 is an apocalyptic number.

It is an amenable number.

151051220117 is a deficient number, since it is larger than the sum of its proper divisors (21578745739).

151051220117 is an equidigital number, since it uses as much as digits as its factorization.

151051220117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21578745738.

The product of its (nonzero) digits is 700, while the sum is 26.

Adding to 151051220117 its reverse (711022150151), we get a palindrome (862073370268).

The spelling of 151051220117 in words is "one hundred fifty-one billion, fifty-one million, two hundred twenty thousand, one hundred seventeen".