7612125811 has 4 divisors (see below), whose sum is σ = 7613153800. Its totient is φ = 7611097824.

The previous prime is 7612125809. The next prime is 7612125827. The reversal of 7612125811 is 1185212167.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1185212167 = 2069 ⋅572843.

It is a cyclic number.

It is not a de Polignac number, because 7612125811 - 2¹ = 7612125809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7612125511) 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, 502806 + ... + 517723.

It is an arithmetic number, because the mean of its divisors is an integer number (1903288450).

Almost surely, 2^7612125811 is an apocalyptic number.

7612125811 is a deficient number, since it is larger than the sum of its proper divisors (1027989).

7612125811 is a wasteful number, since it uses less digits than its factorization.

7612125811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027988.

The product of its digits is 6720, while the sum is 34.

The square root of 7612125811 is about 87247.4974483509. The cubic root of 7612125811 is about 1967.1402252542.

Adding to 7612125811 its reverse (1185212167), we get a palindrome (8797337978).

The spelling of 7612125811 in words is "seven billion, six hundred twelve million, one hundred twenty-five thousand, eight hundred eleven".