4521521242152 has 48 divisors (see below), whose sum is σ = 12393326312640. Its totient is φ = 1489015025568.

The previous prime is 4521521242129. The next prime is 4521521242177. The reversal of 4521521242152 is 2512421251254.

It is a happy number.

4521521242152 is a `hidden beast` number, since 4 + 5 + 2 + 15 + 212 + 421 + 5 + 2 = 666.

It is a super-2 number, since 2×4521521242152² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 378300688 + ... + 378312639.

It is an arithmetic number, because the mean of its divisors is an integer number (258194298180).

Almost surely, 2^{4521521242152} is an apocalyptic number.

It is an amenable number.

4521521242152 is an abundant number, since it is smaller than the sum of its proper divisors (7871805070488).

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

4521521242152 is a wasteful number, since it uses less digits than its factorization.

4521521242152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756613422 (or 756613415 counting only the distinct ones).

The product of its digits is 64000, while the sum is 36.

The spelling of 4521521242152 in words is "four trillion, five hundred twenty-one billion, five hundred twenty-one million, two hundred forty-two thousand, one hundred fifty-two".