7531820561122 has 16 divisors (see below), whose sum is σ = 13272858611712. Its totient is φ = 3160204431120.

The previous prime is 7531820561113. The next prime is 7531820561131. The reversal of 7531820561122 is 2211650281357.

It is an interprime number because it is at equal distance from previous prime (7531820561113) and next prime (7531820561131).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13167518178 + ... + 13167518749.

It is an arithmetic number, because the mean of its divisors is an integer number (829553663232).

Almost surely, 2^{7531820561122} is an apocalyptic number.

7531820561122 is a deficient number, since it is larger than the sum of its proper divisors (5741038050590).

7531820561122 is a wasteful number, since it uses less digits than its factorization.

7531820561122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26335036953.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 7531820561122 in words is "seven trillion, five hundred thirty-one billion, eight hundred twenty million, five hundred sixty-one thousand, one hundred twenty-two".