105156426477 has 4 divisors (see below), whose sum is σ = 140208568640. Its totient is φ = 70104284316.

The previous prime is 105156426469. The next prime is 105156426491. The reversal of 105156426477 is 774624651501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 105156426477 - 2³ = 105156426469 is a prime.

It is a super-2 number, since 2×105156426477² (a number of 23 digits) 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 (105156426407) 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, 17526071077 + ... + 17526071082.

It is an arithmetic number, because the mean of its divisors is an integer number (35052142160).

Almost surely, 2^105156426477 is an apocalyptic number.

It is an amenable number.

105156426477 is a deficient number, since it is larger than the sum of its proper divisors (35052142163).

105156426477 is an equidigital number, since it uses as much as digits as its factorization.

105156426477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35052142162.

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 105156426477 in words is "one hundred five billion, one hundred fifty-six million, four hundred twenty-six thousand, four hundred seventy-seven".