121432015411 has 8 divisors (see below), whose sum is σ = 139498512224. Its totient is φ = 103545285120.

The previous prime is 121432015409. The next prime is 121432015417. The reversal of 121432015411 is 114510234121.

It is a happy number.

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 121432015411 - 2¹ = 121432015409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121432015417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44940180 + ... + 44942881.

It is an arithmetic number, because the mean of its divisors is an integer number (17437314028).

Almost surely, 2^121432015411 is an apocalyptic number.

121432015411 is a deficient number, since it is larger than the sum of its proper divisors (18066496813).

121432015411 is an equidigital number, since it uses as much as digits as its factorization.

121432015411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89883261.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 121432015411 its reverse (114510234121), we get a palindrome (235942249532).

The spelling of 121432015411 in words is "one hundred twenty-one billion, four hundred thirty-two million, fifteen thousand, four hundred eleven".