156747215303121 has 32 divisors (see below), whose sum is σ = 218288390503680. Its totient is φ = 99860672113664.

The previous prime is 156747215303117. The next prime is 156747215303153. The reversal of 156747215303121 is 121303512747651.

It is a happy number.

156747215303121 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 156747215303121 - 2² = 156747215303117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (156747215301121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 548890045 + ... + 549175541.

It is an arithmetic number, because the mean of its divisors is an integer number (6821512203240).

Almost surely, 2^{156747215303121} is an apocalyptic number.

It is an amenable number.

156747215303121 is a deficient number, since it is larger than the sum of its proper divisors (61541175200559).

156747215303121 is a wasteful number, since it uses less digits than its factorization.

156747215303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292985.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 156747215303121 in words is "one hundred fifty-six trillion, seven hundred forty-seven billion, two hundred fifteen million, three hundred three thousand, one hundred twenty-one".