105057533557 has 4 divisors (see below), whose sum is σ = 105058670080. Its totient is φ = 105056397036.

The previous prime is 105057533543. The next prime is 105057533561. The reversal of 105057533557 is 755335750501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 755335750501 = 31 ⋅24365669371.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105057533557 is a prime.

It is a super-2 number, since 2×105057533557² (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 (105057536557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416007 + ... + 619012.

It is an arithmetic number, because the mean of its divisors is an integer number (26264667520).

Almost surely, 2^105057533557 is an apocalyptic number.

It is an amenable number.

105057533557 is a deficient number, since it is larger than the sum of its proper divisors (1136523).

105057533557 is a wasteful number, since it uses less digits than its factorization.

105057533557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136522.

The product of its (nonzero) digits is 1378125, while the sum is 46.

The spelling of 105057533557 in words is "one hundred five billion, fifty-seven million, five hundred thirty-three thousand, five hundred fifty-seven".