2055115501 has 4 divisors (see below), whose sum is σ = 2055333852. Its totient is φ = 2054897152.

The previous prime is 2055115493. The next prime is 2055115507. The reversal of 2055115501 is 1055115502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 274697476 + 1780418025 = 16574^2 + 42195^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055115501 - 2³ = 2055115493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055115507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94390 + ... + 114103.

It is an arithmetic number, because the mean of its divisors is an integer number (513833463).

Almost surely, 2^2055115501 is an apocalyptic number.

It is an amenable number.

2055115501 is a deficient number, since it is larger than the sum of its proper divisors (218351).

2055115501 is an equidigital number, since it uses as much as digits as its factorization.

2055115501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218350.

The product of its (nonzero) digits is 1250, while the sum is 25.

The square root of 2055115501 is about 45333.3817511996. The cubic root of 2055115501 is about 1271.3898647254.

Subtracting from 2055115501 its reverse (1055115502), we obtain a palindrome (999999999).

The spelling of 2055115501 in words is "two billion, fifty-five million, one hundred fifteen thousand, five hundred one".