11390494628 has 12 divisors (see below), whose sum is σ = 19950252252. Its totient is φ = 5690422560.

The previous prime is 11390494627. The next prime is 11390494639. The reversal of 11390494628 is 82649409311.

It can be written as a sum of positive squares in 2 ways, for example, as 8852551744 + 2537942884 = 94088^2 + 50378^2 .

It is not an unprimeable number, because it can be changed into a prime (11390494627) 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, 1200875 + ... + 1210322.

It is an arithmetic number, because the mean of its divisors is an integer number (1662521021).

Almost surely, 2^11390494628 is an apocalyptic number.

It is an amenable number.

11390494628 is a deficient number, since it is larger than the sum of its proper divisors (8559757624).

11390494628 is a wasteful number, since it uses less digits than its factorization.

11390494628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412382 (or 2412380 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 11390494628 in words is "eleven billion, three hundred ninety million, four hundred ninety-four thousand, six hundred twenty-eight".