11503780746 has 16 divisors (see below), whose sum is σ = 23148714144. Its totient is φ = 3811068144.

The previous prime is 11503780727. The next prime is 11503780787. The reversal of 11503780746 is 64708730511.

It is a junction number, because it is equal to n+sod(n) for n = 11503780698 and 11503780707.

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, 5880301 + ... + 5882256.

It is an arithmetic number, because the mean of its divisors is an integer number (1446794634).

Almost surely, 2^11503780746 is an apocalyptic number.

11503780746 is an abundant number, since it is smaller than the sum of its proper divisors (11644933398).

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

11503780746 is a wasteful number, since it uses less digits than its factorization.

11503780746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11762725.

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

The spelling of 11503780746 in words is "eleven billion, five hundred three million, seven hundred eighty thousand, seven hundred forty-six".