2156153015 has 8 divisors (see below), whose sum is σ = 2588106768. Its totient is φ = 1724440320.

The previous prime is 2156153011. The next prime is 2156153047. The reversal of 2156153015 is 5103516512.

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

It is not a de Polignac number, because 2156153015 - 2² = 2156153011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156153011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39962 + ... + 76871.

It is an arithmetic number, because the mean of its divisors is an integer number (323513346).

Almost surely, 2^2156153015 is an apocalyptic number.

2156153015 is a deficient number, since it is larger than the sum of its proper divisors (431953753).

2156153015 is a wasteful number, since it uses less digits than its factorization.

2156153015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120529.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 2156153015 is about 46434.3947413983. The cubic root of 2156153015 is about 1291.8929433527.

Adding to 2156153015 its reverse (5103516512), we get a palindrome (7259669527).

The spelling of 2156153015 in words is "two billion, one hundred fifty-six million, one hundred fifty-three thousand, fifteen".