5211616152021 has 64 divisors (see below), whose sum is σ = 7290886781952. Its totient is φ = 3308688000000.

The previous prime is 5211616152019. The next prime is 5211616152023. The reversal of 5211616152021 is 1202516161125.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5211616152019) and next prime (5211616152023).

It is not a de Polignac number, because 5211616152021 - 2¹ = 5211616152019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211616152023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1408162471 + ... + 1408166171.

It is an arithmetic number, because the mean of its divisors is an integer number (113920105968).

Almost surely, 2^{5211616152021} is an apocalyptic number.

It is an amenable number.

5211616152021 is a deficient number, since it is larger than the sum of its proper divisors (2079270629931).

5211616152021 is a wasteful number, since it uses less digits than its factorization.

5211616152021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5534.

The product of its (nonzero) digits is 7200, while the sum is 33.

The spelling of 5211616152021 in words is "five trillion, two hundred eleven billion, six hundred sixteen million, one hundred fifty-two thousand, twenty-one".