121532323115 has 16 divisors (see below), whose sum is σ = 166678575552. Its totient is φ = 83333612544.

The previous prime is 121532323093. The next prime is 121532323141. The reversal of 121532323115 is 511323235121.

It is not a de Polignac number, because 121532323115 - 2⁶ = 121532323051 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1871267 + ... + 1935123.

It is an arithmetic number, because the mean of its divisors is an integer number (10417410972).

Almost surely, 2^121532323115 is an apocalyptic number.

121532323115 is a deficient number, since it is larger than the sum of its proper divisors (45146252437).

121532323115 is an equidigital number, since it uses as much as digits as its factorization.

121532323115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118246.

The product of its digits is 5400, while the sum is 29.

Adding to 121532323115 its reverse (511323235121), we get a palindrome (632855558236).

The spelling of 121532323115 in words is "one hundred twenty-one billion, five hundred thirty-two million, three hundred twenty-three thousand, one hundred fifteen".