11726434574 has 8 divisors (see below), whose sum is σ = 17594295768. Its totient is φ = 5861669320.

The previous prime is 11726434571. The next prime is 11726434591. The reversal of 11726434574 is 47543462711.

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

It is a super-2 number, since 2×11726434574² (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 (11726434571) 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, 764492 + ... + 779679.

It is an arithmetic number, because the mean of its divisors is an integer number (2199286971).

Almost surely, 2^11726434574 is an apocalyptic number.

11726434574 is a deficient number, since it is larger than the sum of its proper divisors (5867861194).

11726434574 is a wasteful number, since it uses less digits than its factorization.

11726434574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547970.

The product of its digits is 564480, while the sum is 44.

The spelling of 11726434574 in words is "eleven billion, seven hundred twenty-six million, four hundred thirty-four thousand, five hundred seventy-four".