7155711049 has 8 divisors (see below), whose sum is σ = 7609982240. Its totient is φ = 6709205376.

The previous prime is 7155711007. The next prime is 7155711067. The reversal of 7155711049 is 9401175517.

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 7155711049 - 2⁹ = 7155710537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7155721049) 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, 1939479 + ... + 1943164.

It is an arithmetic number, because the mean of its divisors is an integer number (951247780).

Almost surely, 2^7155711049 is an apocalyptic number.

It is an amenable number.

7155711049 is a deficient number, since it is larger than the sum of its proper divisors (454271191).

7155711049 is a wasteful number, since it uses less digits than its factorization.

7155711049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882759.

The product of its (nonzero) digits is 44100, while the sum is 40.

The square root of 7155711049 is about 84591.4360263496. The cubic root of 7155711049 is about 1927.0113164638.

The spelling of 7155711049 in words is "seven billion, one hundred fifty-five million, seven hundred eleven thousand, forty-nine".