5155215651 has 32 divisors (see below), whose sum is σ = 7701657600. Its totient is φ = 3407961600.

The previous prime is 5155215631. The next prime is 5155215673. The reversal of 5155215651 is 1565125515.

5155215651 is a `hidden beast` number, since 5 + 1 + 552 + 1 + 56 + 51 = 666.

It is not a de Polignac number, because 5155215651 - 2¹³ = 5155207459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5155215631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4235395 + ... + 4236611.

It is an arithmetic number, because the mean of its divisors is an integer number (240676800).

Almost surely, 2^5155215651 is an apocalyptic number.

5155215651 is a deficient number, since it is larger than the sum of its proper divisors (2546441949).

5155215651 is a wasteful number, since it uses less digits than its factorization.

5155215651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416 (or 2410 counting only the distinct ones).

The product of its digits is 37500, while the sum is 36.

The square root of 5155215651 is about 71799.8304385184. The cubic root of 5155215651 is about 1727.4902799495.

The spelling of 5155215651 in words is "five billion, one hundred fifty-five million, two hundred fifteen thousand, six hundred fifty-one".