121552049848 has 8 divisors (see below), whose sum is σ = 227910093480. Its totient is φ = 60776024920.

The previous prime is 121552049821. The next prime is 121552049873. The reversal of 121552049848 is 848940255121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7597003108 + ... + 7597003123.

It is an arithmetic number, because the mean of its divisors is an integer number (28488761685).

Almost surely, 2^121552049848 is an apocalyptic number.

It is an amenable number.

121552049848 is a deficient number, since it is larger than the sum of its proper divisors (106358043632).

121552049848 is a wasteful number, since it uses less digits than its factorization.

121552049848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15194006237 (or 15194006233 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 49.

The spelling of 121552049848 in words is "one hundred twenty-one billion, five hundred fifty-two million, forty-nine thousand, eight hundred forty-eight".