106990520511 has 32 divisors (see below), whose sum is σ = 163333884928. Its totient is φ = 61024803840.

The previous prime is 106990520509. The next prime is 106990520543. The reversal of 106990520511 is 115025099601.

It is not a de Polignac number, because 106990520511 - 2¹ = 106990520509 is a prime.

It is a super-2 number, since 2×106990520511² (a number of 23 digits) contains 22 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 106990520511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106990520591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46295046 + ... + 46297356.

It is an arithmetic number, because the mean of its divisors is an integer number (5104183904).

Almost surely, 2^106990520511 is an apocalyptic number.

106990520511 is a deficient number, since it is larger than the sum of its proper divisors (56343364417).

106990520511 is a wasteful number, since it uses less digits than its factorization.

106990520511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431.

The product of its (nonzero) digits is 24300, while the sum is 39.

The spelling of 106990520511 in words is "one hundred six billion, nine hundred ninety million, five hundred twenty thousand, five hundred eleven".