2151505043 has 8 divisors (see below), whose sum is σ = 2209675776. Its totient is φ = 2093704200.

The previous prime is 2151505003. The next prime is 2151505061. The reversal of 2151505043 is 3405051512.

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 2151505043 - 2¹⁴ = 2151488659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151505003) 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, 80663 + ... + 103968.

It is an arithmetic number, because the mean of its divisors is an integer number (276209472).

Almost surely, 2^2151505043 is an apocalyptic number.

2151505043 is a deficient number, since it is larger than the sum of its proper divisors (58170733).

2151505043 is a wasteful number, since it uses less digits than its factorization.

2151505043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184945.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2151505043 is about 46384.3189343123. The cubic root of 2151505043 is about 1290.9639737045.

Adding to 2151505043 its reverse (3405051512), we get a palindrome (5556556555).

The spelling of 2151505043 in words is "two billion, one hundred fifty-one million, five hundred five thousand, forty-three".