121415510045 has 8 divisors (see below), whose sum is σ = 147694483896. Its totient is φ = 95801826816.

The previous prime is 121415510011. The next prime is 121415510087. The reversal of 121415510045 is 540015514121.

It can be written as a sum of positive squares in 4 ways, for example, as 41415913081 + 79999596964 = 203509^2 + 282842^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121415510045 - 2¹² = 121415505949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166322252 + ... + 166322981.

It is an arithmetic number, because the mean of its divisors is an integer number (18461810487).

Almost surely, 2^121415510045 is an apocalyptic number.

It is an amenable number.

121415510045 is a deficient number, since it is larger than the sum of its proper divisors (26278973851).

121415510045 is an equidigital number, since it uses as much as digits as its factorization.

121415510045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332645311.

The product of its (nonzero) digits is 4000, while the sum is 29.

The spelling of 121415510045 in words is "one hundred twenty-one billion, four hundred fifteen million, five hundred ten thousand, forty-five".