2157450711 has 8 divisors (see below), whose sum is σ = 3097878000. Its totient is φ = 1327661952.

The previous prime is 2157450697. The next prime is 2157450721. The reversal of 2157450711 is 1170547512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2157450711 - 2⁷ = 2157450583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157450721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27659586 + ... + 27659663.

It is an arithmetic number, because the mean of its divisors is an integer number (387234750).

Almost surely, 2^2157450711 is an apocalyptic number.

2157450711 is a deficient number, since it is larger than the sum of its proper divisors (940427289).

2157450711 is a wasteful number, since it uses less digits than its factorization.

2157450711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55319265.

The product of its (nonzero) digits is 9800, while the sum is 33.

The square root of 2157450711 is about 46448.3660745994. The cubic root of 2157450711 is about 1292.1520696872.

The spelling of 2157450711 in words is "two billion, one hundred fifty-seven million, four hundred fifty thousand, seven hundred eleven".