105721753404 has 48 divisors (see below), whose sum is σ = 253617499520. Its totient is φ = 34257867840.

The previous prime is 105721753399. The next prime is 105721753429. The reversal of 105721753404 is 404357127501.

It is a super-2 number, since 2×105721753404² (a number of 23 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 15 ways as a sum of consecutive naturals, for example, 376639 + ... + 594390.

Almost surely, 2^105721753404 is an apocalyptic number.

It is an amenable number.

105721753404 is an abundant number, since it is smaller than the sum of its proper divisors (147895746116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105721753404 is a wasteful number, since it uses less digits than its factorization.

105721753404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971290 (or 971288 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 105721753404 in words is "one hundred five billion, seven hundred twenty-one million, seven hundred fifty-three thousand, four hundred four".