6154797911 has 4 divisors (see below), whose sum is σ = 6155484024. Its totient is φ = 6154111800.

The previous prime is 6154797871. The next prime is 6154797941. The reversal of 6154797911 is 1197974516.

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 6154797911 - 2¹⁸ = 6154535767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6154797911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6154797941) 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, 329420 + ... + 347601.

It is an arithmetic number, because the mean of its divisors is an integer number (1538871006).

Almost surely, 2^6154797911 is an apocalyptic number.

6154797911 is a deficient number, since it is larger than the sum of its proper divisors (686113).

6154797911 is an equidigital number, since it uses as much as digits as its factorization.

6154797911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686112.

The product of its digits is 476280, while the sum is 50.

The square root of 6154797911 is about 78452.5201061126. The cubic root of 6154797911 is about 1832.6151221548.

The spelling of 6154797911 in words is "six billion, one hundred fifty-four million, seven hundred ninety-seven thousand, nine hundred eleven".