601000515155 has 16 divisors (see below), whose sum is σ = 746914690080. Its totient is φ = 463695257088.

The previous prime is 601000515151. The next prime is 601000515221. The reversal of 601000515155 is 551515000106.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 601000515155 - 2² = 601000515151 is a prime.

It is a super-2 number, since 2×601000515155² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (601000515151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2218982 + ... + 2475051.

It is an arithmetic number, because the mean of its divisors is an integer number (46682168130).

Almost surely, 2^601000515155 is an apocalyptic number.

601000515155 is a deficient number, since it is larger than the sum of its proper divisors (145914174925).

601000515155 is a wasteful number, since it uses less digits than its factorization.

601000515155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694950.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 601000515155 in words is "six hundred one billion, five hundred fifteen thousand, one hundred fifty-five".