121052553152 has 42 divisors (see below), whose sum is σ = 253521944568. Its totient is φ = 57340672128.

The previous prime is 121052553059. The next prime is 121052553197. The reversal of 121052553152 is 251355250121.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2596628 + ... + 2642835.

Almost surely, 2^121052553152 is an apocalyptic number.

It is an amenable number.

121052553152 is an abundant number, since it is smaller than the sum of its proper divisors (132469391416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121052553152 is an equidigital number, since it uses as much as digits as its factorization.

121052553152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239513 (or 5239484 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 121052553152 in words is "one hundred twenty-one billion, fifty-two million, five hundred fifty-three thousand, one hundred fifty-two".