2153015551 has 8 divisors (see below), whose sum is σ = 2195802000. Its totient is φ = 2110439040.

The previous prime is 2153015509. The next prime is 2153015569. The reversal of 2153015551 is 1555103512.

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 2153015551 - 2¹³ = 2153007359 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 (2153015591) 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, 31690 + ... + 72871.

It is an arithmetic number, because the mean of its divisors is an integer number (274475250).

Almost surely, 2^2153015551 is an apocalyptic number.

2153015551 is a deficient number, since it is larger than the sum of its proper divisors (42786449).

2153015551 is a wasteful number, since it uses less digits than its factorization.

2153015551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104969.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 2153015551 is about 46400.5986060525. The cubic root of 2153015551 is about 1291.2660188931.

The spelling of 2153015551 in words is "two billion, one hundred fifty-three million, fifteen thousand, five hundred fifty-one".