2155510463 has 8 divisors (see below), whose sum is σ = 2237457600. Its totient is φ = 2074071328.

The previous prime is 2155510459. The next prime is 2155510519. The reversal of 2155510463 is 3640155512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2155510463 - 2² = 2155510459 is a prime.

It is a super-2 number, since 2×2155510463² = 9292450712204948738, 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 (2155510403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118343 + ... + 135336.

It is an arithmetic number, because the mean of its divisors is an integer number (279682200).

Almost surely, 2^2155510463 is an apocalyptic number.

2155510463 is a deficient number, since it is larger than the sum of its proper divisors (81947137).

2155510463 is a wasteful number, since it uses less digits than its factorization.

2155510463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254001.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 2155510463 is about 46427.4753028850. The cubic root of 2155510463 is about 1291.7645988950.

Adding to 2155510463 its reverse (3640155512), we get a palindrome (5795665975).

The spelling of 2155510463 in words is "two billion, one hundred fifty-five million, five hundred ten thousand, four hundred sixty-three".