6541126156 has 6 divisors (see below), whose sum is σ = 11446970780. Its totient is φ = 3270563076.

The previous prime is 6541126153. The next prime is 6541126157. The reversal of 6541126156 is 6516211456.

It is not an unprimeable number, because it can be changed into a prime (6541126153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 817640766 + ... + 817640773.

Almost surely, 2^6541126156 is an apocalyptic number.

It is an amenable number.

6541126156 is a deficient number, since it is larger than the sum of its proper divisors (4905844624).

6541126156 is a wasteful number, since it uses less digits than its factorization.

6541126156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635281543 (or 1635281541 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 6541126156 is about 80877.2289090075. The cubic root of 6541126156 is about 1870.1833021152.

The spelling of 6541126156 in words is "six billion, five hundred forty-one million, one hundred twenty-six thousand, one hundred fifty-six".