106526022521 has 2 divisors, whose sum is σ = 106526022522. Its totient is φ = 106526022520.

The previous prime is 106526022487. The next prime is 106526022539. The reversal of 106526022521 is 125220625601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66030497296 + 40495525225 = 256964^2 + 201235^2 .

It is a cyclic number.

It is not a de Polignac number, because 106526022521 - 2²⁶ = 106458913657 is a prime.

It is a super-2 number, since 2×106526022521² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106526022221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53263011260 + 53263011261.

It is an arithmetic number, because the mean of its divisors is an integer number (53263011261).

Almost surely, 2^106526022521 is an apocalyptic number.

It is an amenable number.

106526022521 is a deficient number, since it is larger than the sum of its proper divisors (1).

106526022521 is an equidigital number, since it uses as much as digits as its factorization.

106526022521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 106526022521 in words is "one hundred six billion, five hundred twenty-six million, twenty-two thousand, five hundred twenty-one".