121552002159 has 16 divisors (see below), whose sum is σ = 188716856832. Its totient is φ = 68147752608.

The previous prime is 121552002113. The next prime is 121552002191. The reversal of 121552002159 is 951200255121.

It is not a de Polignac number, because 121552002159 - 2¹¹ = 121552000111 is a prime.

It is a super-2 number, since 2×121552002159² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121552002109) 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, 54604459 + ... + 54606684.

It is an arithmetic number, because the mean of its divisors is an integer number (11794803552).

Almost surely, 2^121552002159 is an apocalyptic number.

121552002159 is a deficient number, since it is larger than the sum of its proper divisors (67164854673).

121552002159 is a wasteful number, since it uses less digits than its factorization.

121552002159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109211206.

The product of its (nonzero) digits is 9000, while the sum is 33.

The spelling of 121552002159 in words is "one hundred twenty-one billion, five hundred fifty-two million, two thousand, one hundred fifty-nine".