11666215234 has 16 divisors (see below), whose sum is σ = 17632913760. Its totient is φ = 5788614240.

The previous prime is 11666215229. The next prime is 11666215241. The reversal of 11666215234 is 43251266611.

It is a super-3 number, since 3×11666215234³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 11666215193 and 11666215202.

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, 738054 + ... + 753694.

It is an arithmetic number, because the mean of its divisors is an integer number (1102057110).

Almost surely, 2^11666215234 is an apocalyptic number.

11666215234 is a deficient number, since it is larger than the sum of its proper divisors (5966698526).

11666215234 is a wasteful number, since it uses less digits than its factorization.

11666215234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18465.

The product of its digits is 51840, while the sum is 37.

The spelling of 11666215234 in words is "eleven billion, six hundred sixty-six million, two hundred fifteen thousand, two hundred thirty-four".