121541015441 has 8 divisors (see below), whose sum is σ = 124146474144. Its totient is φ = 118960976160.

The previous prime is 121541015429. The next prime is 121541015447. The reversal of 121541015441 is 144510145121.

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 121541015441 - 2²² = 121536821137 is a prime.

It is a super-3 number, since 3×121541015441³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121541015447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6345191 + ... + 6364316.

It is an arithmetic number, because the mean of its divisors is an integer number (15518309268).

Almost surely, 2^121541015441 is an apocalyptic number.

It is an amenable number.

121541015441 is a deficient number, since it is larger than the sum of its proper divisors (2605458703).

121541015441 is a wasteful number, since it uses less digits than its factorization.

121541015441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12709711.

The product of its (nonzero) digits is 3200, while the sum is 29.

The spelling of 121541015441 in words is "one hundred twenty-one billion, five hundred forty-one million, fifteen thousand, four hundred forty-one".