11281420774 has 16 divisors (see below), whose sum is σ = 18225703440. Its totient is φ = 5206275360.

The previous prime is 11281420751. The next prime is 11281420781. The reversal of 11281420774 is 47702418211.

It is a congruent number.

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, 359632 + ... + 389740.

It is an arithmetic number, because the mean of its divisors is an integer number (1139106465).

Almost surely, 2^11281420774 is an apocalyptic number.

11281420774 is a deficient number, since it is larger than the sum of its proper divisors (6944282666).

11281420774 is a wasteful number, since it uses less digits than its factorization.

11281420774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44535.

The product of its (nonzero) digits is 25088, while the sum is 37.

Adding to 11281420774 its reverse (47702418211), we get a palindrome (58983838985).

The spelling of 11281420774 in words is "eleven billion, two hundred eighty-one million, four hundred twenty thousand, seven hundred seventy-four".