7516122081 has 32 divisors (see below), whose sum is σ = 11149651968. Its totient is φ = 4472435520.

The previous prime is 7516122043. The next prime is 7516122101. The reversal of 7516122081 is 1802216157.

7516122081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7516122081 - 2¹⁰ = 7516121057 is a prime.

It is a super-2 number, since 2×7516122081² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7516122181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2449110 + ... + 2452176.

It is an arithmetic number, because the mean of its divisors is an integer number (348426624).

Almost surely, 2^7516122081 is an apocalyptic number.

It is an amenable number.

7516122081 is a deficient number, since it is larger than the sum of its proper divisors (3633529887).

7516122081 is a wasteful number, since it uses less digits than its factorization.

7516122081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 7516122081 is about 86695.5712882729. The cubic root of 7516122081 is about 1958.8353904141.

The spelling of 7516122081 in words is "seven billion, five hundred sixteen million, one hundred twenty-two thousand, eighty-one".