105721202557414 has 16 divisors (see below), whose sum is σ = 159155430626448. Its totient is φ = 52669395057312.

The previous prime is 105721202557403. The next prime is 105721202557423. The reversal of 105721202557414 is 414755202127501.

It is a super-2 number, since 2×105721202557414² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87924852 + ... + 89119144.

It is an arithmetic number, because the mean of its divisors is an integer number (9947214414153).

Almost surely, 2^{105721202557414} is an apocalyptic number.

105721202557414 is a deficient number, since it is larger than the sum of its proper divisors (53434228069034).

105721202557414 is a wasteful number, since it uses less digits than its factorization.

105721202557414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354359.

The product of its (nonzero) digits is 784000, while the sum is 46.

The spelling of 105721202557414 in words is "one hundred five trillion, seven hundred twenty-one billion, two hundred two million, five hundred fifty-seven thousand, four hundred fourteen".