5515020501 has 4 divisors (see below), whose sum is σ = 7353360672. Its totient is φ = 3676680332.

The previous prime is 5515020493. The next prime is 5515020517. The reversal of 5515020501 is 1050205155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5515020501 - 2³ = 5515020493 is a prime.

It is a super-2 number, since 2×5515020501² = 60830902252900582002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515020101) 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, 919170081 + ... + 919170086.

It is an arithmetic number, because the mean of its divisors is an integer number (1838340168).

Almost surely, 2^5515020501 is an apocalyptic number.

It is an amenable number.

5515020501 is a deficient number, since it is larger than the sum of its proper divisors (1838340171).

5515020501 is a wasteful number, since it uses less digits than its factorization.

5515020501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838340170.

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 5515020501 is about 74263.1840214248. The cubic root of 5515020501 is about 1766.7796040574.

Adding to 5515020501 its reverse (1050205155), we get a palindrome (6565225656).

The spelling of 5515020501 in words is "five billion, five hundred fifteen million, twenty thousand, five hundred one".