105475892621 has 16 divisors (see below), whose sum is σ = 117759458880. Its totient is φ = 93667432320.

The previous prime is 105475892609. The next prime is 105475892633. The reversal of 105475892621 is 126298574501.

It is an interprime number because it is at equal distance from previous prime (105475892609) and next prime (105475892633).

It is not a de Polignac number, because 105475892621 - 2³⁴ = 88296023437 is a prime.

It is a super-2 number, since 2×105475892621² (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 105475892621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105475882621) 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 15 ways as a sum of consecutive naturals, for example, 567770 + ... + 730283.

It is an arithmetic number, because the mean of its divisors is an integer number (7359966180).

Almost surely, 2^105475892621 is an apocalyptic number.

105475892621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105475892621 is a deficient number, since it is larger than the sum of its proper divisors (12283566259).

105475892621 is a wasteful number, since it uses less digits than its factorization.

105475892621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298236.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 105475892621 in words is "one hundred five billion, four hundred seventy-five million, eight hundred ninety-two thousand, six hundred twenty-one".