11512267746 has 16 divisors (see below), whose sum is σ = 26313754944. Its totient is φ = 3289219344.

The previous prime is 11512267729. The next prime is 11512267777. The reversal of 11512267746 is 64776221511.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 274101613 = 11512267746 / (1 + 1 + 5 + 1 + 2 + 2 + 6 + 7 + 7 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 11512267698 and 11512267707.

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, 137050765 + ... + 137050848.

It is an arithmetic number, because the mean of its divisors is an integer number (1644609684).

Almost surely, 2^11512267746 is an apocalyptic number.

11512267746 is an abundant number, since it is smaller than the sum of its proper divisors (14801487198).

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

11512267746 is a wasteful number, since it uses less digits than its factorization.

11512267746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274101625.

The product of its digits is 141120, while the sum is 42.

The spelling of 11512267746 in words is "eleven billion, five hundred twelve million, two hundred sixty-seven thousand, seven hundred forty-six".