4155620603831 has 2 divisors, whose sum is σ = 4155620603832. Its totient is φ = 4155620603830.

The previous prime is 4155620603689. The next prime is 4155620603867. The reversal of 4155620603831 is 1383060265514.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4155620603831 - 2¹⁸ = 4155620341687 is a prime.

It is a super-2 number, since 2×4155620603831² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4155620503831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077810301915 + 2077810301916.

It is an arithmetic number, because the mean of its divisors is an integer number (2077810301916).

Almost surely, 2^{4155620603831} is an apocalyptic number.

4155620603831 is a deficient number, since it is larger than the sum of its proper divisors (1).

4155620603831 is an equidigital number, since it uses as much as digits as its factorization.

4155620603831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 4155620603831 in words is "four trillion, one hundred fifty-five billion, six hundred twenty million, six hundred three thousand, eight hundred thirty-one".