7518464121 has 16 divisors (see below), whose sum is σ = 11766349184. Its totient is φ = 4180149504.

The previous prime is 7518464119. The next prime is 7518464137. The reversal of 7518464121 is 1214648157.

It is not a de Polignac number, because 7518464121 - 2¹ = 7518464119 is a prime.

It is a super-3 number, since 3×7518464121³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7518464121.

It is not an unprimeable number, because it can be changed into a prime (7518464021) 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 15 ways as a sum of consecutive naturals, for example, 4837360 + ... + 4838913.

It is an arithmetic number, because the mean of its divisors is an integer number (735396824).

Almost surely, 2^7518464121 is an apocalyptic number.

It is an amenable number.

7518464121 is a deficient number, since it is larger than the sum of its proper divisors (4247885063).

7518464121 is a wasteful number, since it uses less digits than its factorization.

7518464121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9676320.

The product of its digits is 53760, while the sum is 39.

The square root of 7518464121 is about 86709.0775005708. The cubic root of 7518464121 is about 1959.0388284087.

The spelling of 7518464121 in words is "seven billion, five hundred eighteen million, four hundred sixty-four thousand, one hundred twenty-one".