152564105266121 has 4 divisors (see below), whose sum is σ = 152681372066244. Its totient is φ = 152446838466000.

The previous prime is 152564105266091. The next prime is 152564105266129. The reversal of 152564105266121 is 121662501465251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13813115560000 + 138750989706121 = 3716600^2 + 11779261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152564105266121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152564105266129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58633398110 + ... + 58633400711.

It is an arithmetic number, because the mean of its divisors is an integer number (38170343016561).

Almost surely, 2^{152564105266121} is an apocalyptic number.

It is an amenable number.

152564105266121 is a deficient number, since it is larger than the sum of its proper divisors (117266800123).

152564105266121 is a wasteful number, since it uses less digits than its factorization.

152564105266121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117266800122.

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 152564105266121 in words is "one hundred fifty-two trillion, five hundred sixty-four billion, one hundred five million, two hundred sixty-six thousand, one hundred twenty-one".