601511013405620 has 12 divisors (see below), whose sum is σ = 1263173128151844. Its totient is φ = 240604405362240.

The previous prime is 601511013405563. The next prime is 601511013405677. The reversal of 601511013405620 is 26504310115106.

It is an interprime number because it is at equal distance from previous prime (601511013405563) and next prime (601511013405677).

It can be written as a sum of positive squares in 2 ways, for example, as 75509356710544 + 526001656695076 = 8689612^2 + 22934726^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15037775335121 + ... + 15037775335160.

It is an arithmetic number, because the mean of its divisors is an integer number (105264427345987).

Almost surely, 2^{601511013405620} is an apocalyptic number.

It is an amenable number.

601511013405620 is an abundant number, since it is smaller than the sum of its proper divisors (661662114746224).

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

601511013405620 is a wasteful number, since it uses less digits than its factorization.

601511013405620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30075550670290 (or 30075550670288 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 601511013405620 in words is "six hundred one trillion, five hundred eleven billion, thirteen million, four hundred five thousand, six hundred twenty".