121135052516625 has 96 divisors (see below), whose sum is σ = 251382898960128. Its totient is φ = 54971818963200.

The previous prime is 121135052516623. The next prime is 121135052516633. The reversal of 121135052516625 is 526615250531121.

121135052516625 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 3 + 5 + 0 + 5 + 2 + 5 + 16 + 625 = 666.

It is not a de Polignac number, because 121135052516625 - 2¹ = 121135052516623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (121135052516623) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 55060647 + ... + 57218396.

It is an arithmetic number, because the mean of its divisors is an integer number (2618571864168).

Almost surely, 2^{121135052516625} is an apocalyptic number.

121135052516625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121135052516625 is an abundant number, since it is smaller than the sum of its proper divisors (130247846443503).

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

121135052516625 is a wasteful number, since it uses less digits than its factorization.

121135052516625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112279208 (or 112279195 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The spelling of 121135052516625 in words is "one hundred twenty-one trillion, one hundred thirty-five billion, fifty-two million, five hundred sixteen thousand, six hundred twenty-five".