252120003055 has 64 divisors (see below), whose sum is σ = 347175037440. Its totient is φ = 174572568576.

The previous prime is 252120002999. The next prime is 252120003127. The reversal of 252120003055 is 550300021252.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252120003055 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11308399 + ... + 11330671.

It is an arithmetic number, because the mean of its divisors is an integer number (5424609960).

Almost surely, 2^252120003055 is an apocalyptic number.

252120003055 is a deficient number, since it is larger than the sum of its proper divisors (95055034385).

252120003055 is a wasteful number, since it uses less digits than its factorization.

252120003055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22520.

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 252120003055 in words is "two hundred fifty-two billion, one hundred twenty million, three thousand, fifty-five".