105520115213 has 4 divisors (see below), whose sum is σ = 105758310048. Its totient is φ = 105281920380.

The previous prime is 105520115209. The next prime is 105520115221. The reversal of 105520115213 is 312511025501.

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 a cyclic number.

It is not a de Polignac number, because 105520115213 - 2² = 105520115209 is a prime.

It is a super-2 number, since 2×105520115213² (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 (105520115243) 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, 119096753 + ... + 119097638.

It is an arithmetic number, because the mean of its divisors is an integer number (26439577512).

Almost surely, 2^105520115213 is an apocalyptic number.

It is an amenable number.

105520115213 is a deficient number, since it is larger than the sum of its proper divisors (238194835).

105520115213 is an equidigital number, since it uses as much as digits as its factorization.

105520115213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238194834.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 105520115213 in words is "one hundred five billion, five hundred twenty million, one hundred fifteen thousand, two hundred thirteen".