121848135711 has 8 divisors (see below), whose sum is σ = 162471801600. Its totient is φ = 81228280152.

The previous prime is 121848135691. The next prime is 121848135733. The reversal of 121848135711 is 117531848121.

It is a happy number.

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

It is not a de Polignac number, because 121848135711 - 2¹¹ = 121848133663 is a prime.

It is a super-3 number, since 3×121848135711³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121848135751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877111 + ... + 1006488.

It is an arithmetic number, because the mean of its divisors is an integer number (20308975200).

Almost surely, 2^121848135711 is an apocalyptic number.

121848135711 is a deficient number, since it is larger than the sum of its proper divisors (40623665889).

121848135711 is a wasteful number, since it uses less digits than its factorization.

121848135711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905165.

The product of its digits is 53760, while the sum is 42.

The spelling of 121848135711 in words is "one hundred twenty-one billion, eight hundred forty-eight million, one hundred thirty-five thousand, seven hundred eleven".