121541415413 has 32 divisors (see below), whose sum is σ = 135197061120. Its totient is φ = 108345807360.

The previous prime is 121541415371. The next prime is 121541415427. The reversal of 121541415413 is 314514145121.

It is a cyclic number.

It is not a de Polignac number, because 121541415413 - 2⁸ = 121541415157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121541415413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121541415433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84815345 + ... + 84816777.

It is an arithmetic number, because the mean of its divisors is an integer number (4224908160).

Almost surely, 2^121541415413 is an apocalyptic number.

It is an amenable number.

121541415413 is a deficient number, since it is larger than the sum of its proper divisors (13655645707).

121541415413 is a wasteful number, since it uses less digits than its factorization.

121541415413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237.

The product of its digits is 9600, while the sum is 32.

The spelling of 121541415413 in words is "one hundred twenty-one billion, five hundred forty-one million, four hundred fifteen thousand, four hundred thirteen".