2155006514 has 8 divisors (see below), whose sum is σ = 3265834908. Its totient is φ = 1066394880.

The previous prime is 2155006499. The next prime is 2155006517. The reversal of 2155006514 is 4156005512.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2132869489 + 22137025 = 46183^2 + 4705^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2155006517) 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, 5553947 + ... + 5554334.

Almost surely, 2^2155006514 is an apocalyptic number.

2155006514 is a deficient number, since it is larger than the sum of its proper divisors (1110828394).

2155006514 is a wasteful number, since it uses less digits than its factorization.

2155006514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11108380.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 2155006514 is about 46422.0477144212. The cubic root of 2155006514 is about 1291.6639213946.

The spelling of 2155006514 in words is "two billion, one hundred fifty-five million, six thousand, five hundred fourteen".