5515153665 has 64 divisors (see below), whose sum is σ = 10319339520. Its totient is φ = 2462803200.

The previous prime is 5515153661. The next prime is 5515153667. The reversal of 5515153665 is 5663515155.

It is a happy number.

It is not a de Polignac number, because 5515153665 - 2² = 5515153661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5515153661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4238515 + ... + 4239815.

It is an arithmetic number, because the mean of its divisors is an integer number (161239680).

Almost surely, 2^5515153665 is an apocalyptic number.

It is an amenable number.

5515153665 is a deficient number, since it is larger than the sum of its proper divisors (4804185855).

5515153665 is a wasteful number, since it uses less digits than its factorization.

5515153665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222.

The product of its digits is 337500, while the sum is 42.

The square root of 5515153665 is about 74264.0805840886. The cubic root of 5515153665 is about 1766.7938239831.

The spelling of 5515153665 in words is "five billion, five hundred fifteen million, one hundred fifty-three thousand, six hundred sixty-five".