711206145 has 48 divisors (see below), whose sum is σ = 1340840592. Its totient is φ = 346636800.

The previous prime is 711206117. The next prime is 711206189. The reversal of 711206145 is 541602117.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 70711281 + 640494864 = 8409^2 + 25308^2 .

It is not a de Polignac number, because 711206145 - 2⁷ = 711206017 is a prime.

It is a super-2 number, since 2×711206145² = 1011628361371522050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53067 + ... + 65103.

It is an arithmetic number, because the mean of its divisors is an integer number (27934179).

Almost surely, 2^711206145 is an apocalyptic number.

It is an amenable number.

711206145 is a deficient number, since it is larger than the sum of its proper divisors (629634447).

711206145 is a wasteful number, since it uses less digits than its factorization.

711206145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12162 (or 12159 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 711206145 is about 26668.4484925539. The cubic root of 711206145 is about 892.6170267655.

It can be divided in two parts, 7112061 and 45, that added together give a triangular number (7112106 = T₃₇₇₁).

The spelling of 711206145 in words is "seven hundred eleven million, two hundred six thousand, one hundred forty-five".