106997511 has 4 divisors (see below), whose sum is σ = 142663352. Its totient is φ = 71331672.

The previous prime is 106997509. The next prime is 106997519. The reversal of 106997511 is 115799601.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 106997511 - 2¹ = 106997509 is a prime.

It is a super-2 number, since 2×106997511² = 22896934720390242, which 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 106997511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106997519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17832916 + ... + 17832921.

It is an arithmetic number, because the mean of its divisors is an integer number (35665838).

Almost surely, 2^106997511 is an apocalyptic number.

106997511 is a deficient number, since it is larger than the sum of its proper divisors (35665841).

106997511 is an equidigital number, since it uses as much as digits as its factorization.

106997511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35665840.

The product of its (nonzero) digits is 17010, while the sum is 39.

The square root of 106997511 is about 10343.9601217329. The cubic root of 106997511 is about 474.7422586941.

The spelling of 106997511 in words is "one hundred six million, nine hundred ninety-seven thousand, five hundred eleven".