2151411523 has 4 divisors (see below), whose sum is σ = 2277965160. Its totient is φ = 2024857888.

The previous prime is 2151411499. The next prime is 2151411527. The reversal of 2151411523 is 3251141512.

2151411523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2151411523 - 2⁹ = 2151411011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151411527) 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, 63276793 + ... + 63276826.

It is an arithmetic number, because the mean of its divisors is an integer number (569491290).

Almost surely, 2^2151411523 is an apocalyptic number.

2151411523 is a deficient number, since it is larger than the sum of its proper divisors (126553637).

2151411523 is a wasteful number, since it uses less digits than its factorization.

2151411523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126553636.

The product of its digits is 1200, while the sum is 25.

The square root of 2151411523 is about 46383.3108240453. The cubic root of 2151411523 is about 1290.9452685504.

The spelling of 2151411523 in words is "two billion, one hundred fifty-one million, four hundred eleven thousand, five hundred twenty-three".