620155457511301 has 2 divisors, whose sum is σ = 620155457511302. Its totient is φ = 620155457511300.

The previous prime is 620155457511287. The next prime is 620155457511307. The reversal of 620155457511301 is 103115754551026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422105284130401 + 198050173380900 = 20545201^2 + 14073030^2 .

It is a cyclic number.

It is not a de Polignac number, because 620155457511301 - 2⁵ = 620155457511269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620155457511307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310077728755650 + 310077728755651.

It is an arithmetic number, because the mean of its divisors is an integer number (310077728755651).

Almost surely, 2^{620155457511301} is an apocalyptic number.

It is an amenable number.

620155457511301 is a deficient number, since it is larger than the sum of its proper divisors (1).

620155457511301 is an equidigital number, since it uses as much as digits as its factorization.

620155457511301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630000, while the sum is 46.

The spelling of 620155457511301 in words is "six hundred twenty trillion, one hundred fifty-five billion, four hundred fifty-seven million, five hundred eleven thousand, three hundred one".