151115503121 has 8 divisors (see below), whose sum is σ = 166453794624. Its totient is φ = 136043964720.

The previous prime is 151115503117. The next prime is 151115503153. The reversal of 151115503121 is 121305511151.

It is a happy number.

151115503121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151115503121 - 2² = 151115503117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151115503111) 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 7 ways as a sum of consecutive naturals, for example, 66687086 + ... + 66689351.

It is an arithmetic number, because the mean of its divisors is an integer number (20806724328).

Almost surely, 2^151115503121 is an apocalyptic number.

151115503121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

151115503121 is a deficient number, since it is larger than the sum of its proper divisors (15338291503).

151115503121 is a wasteful number, since it uses less digits than its factorization.

151115503121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133376551.

The product of its (nonzero) digits is 750, while the sum is 26.

The spelling of 151115503121 in words is "one hundred fifty-one billion, one hundred fifteen million, five hundred three thousand, one hundred twenty-one".