2013155501 has 16 divisors (see below), whose sum is σ = 2317680000. Its totient is φ = 1712897088.

The previous prime is 2013155491. The next prime is 2013155519. The reversal of 2013155501 is 1055513102.

It is a happy number.

It is not a de Polignac number, because 2013155501 - 2²⁶ = 1946046637 is a prime.

It is a super-2 number, since 2×2013155501² = 8105590142413122002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013155101) 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, 1342250 + ... + 1343748.

It is an arithmetic number, because the mean of its divisors is an integer number (144855000).

Almost surely, 2^2013155501 is an apocalyptic number.

It is an amenable number.

2013155501 is a deficient number, since it is larger than the sum of its proper divisors (304524499).

2013155501 is a wasteful number, since it uses less digits than its factorization.

2013155501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 2013155501 is about 44868.2014460130. The cubic root of 2013155501 is about 1262.6774970649.

Adding to 2013155501 its reverse (1055513102), we get a palindrome (3068668603).

The spelling of 2013155501 in words is "two billion, thirteen million, one hundred fifty-five thousand, five hundred one".