106401511 has 4 divisors (see below), whose sum is σ = 106422192. Its totient is φ = 106380832.

The previous prime is 106401469. The next prime is 106401527. The reversal of 106401511 is 115104601.

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

It is a cyclic number.

It is not a de Polignac number, because 106401511 - 2⁹ = 106400999 is a prime.

It is a super-2 number, since 2×106401511² = 22642563086166242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106401541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4095 + ... + 15151.

It is an arithmetic number, because the mean of its divisors is an integer number (26605548).

Almost surely, 2^106401511 is an apocalyptic number.

106401511 is a deficient number, since it is larger than the sum of its proper divisors (20681).

106401511 is an equidigital number, since it uses as much as digits as its factorization.

106401511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20680.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 106401511 is about 10315.1108089055. The cubic root of 106401511 is about 473.8591435215.

The spelling of 106401511 in words is "one hundred six million, four hundred one thousand, five hundred eleven".