11405252134 has 8 divisors (see below), whose sum is σ = 17348834448. Its totient is φ = 5622307320.

The previous prime is 11405252119. The next prime is 11405252137. The reversal of 11405252134 is 43125250411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11405252134² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405252137) 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, 40159197 + ... + 40159480.

It is an arithmetic number, because the mean of its divisors is an integer number (2168604306).

Almost surely, 2^11405252134 is an apocalyptic number.

11405252134 is a deficient number, since it is larger than the sum of its proper divisors (5943582314).

11405252134 is an equidigital number, since it uses as much as digits as its factorization.

11405252134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80318750.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 11405252134 in words is "eleven billion, four hundred five million, two hundred fifty-two thousand, one hundred thirty-four".