2151155541 has 16 divisors (see below), whose sum is σ = 2882214720. Its totient is φ = 1427118720.

The previous prime is 2151155527. The next prime is 2151155551. The reversal of 2151155541 is 1455511512.

It is not a de Polignac number, because 2151155541 - 2⁹ = 2151155029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2151155499 and 2151155508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151155551) 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 15 ways as a sum of consecutive naturals, for example, 563746 + ... + 567548.

It is an arithmetic number, because the mean of its divisors is an integer number (180138420).

Almost surely, 2^2151155541 is an apocalyptic number.

It is an amenable number.

2151155541 is a deficient number, since it is larger than the sum of its proper divisors (731059179).

2151155541 is a wasteful number, since it uses less digits than its factorization.

2151155541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4676.

The product of its digits is 5000, while the sum is 30.

The square root of 2151155541 is about 46380.5513227258. The cubic root of 2151155541 is about 1290.8940662187.

The spelling of 2151155541 in words is "two billion, one hundred fifty-one million, one hundred fifty-five thousand, five hundred forty-one".