11390490562 has 8 divisors (see below), whose sum is σ = 18638984592. Its totient is φ = 5177495700.

The previous prime is 11390490511. The next prime is 11390490571. The reversal of 11390490562 is 26509409311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11390490562² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258874764 + ... + 258874807.

It is an arithmetic number, because the mean of its divisors is an integer number (2329873074).

Almost surely, 2^11390490562 is an apocalyptic number.

11390490562 is a deficient number, since it is larger than the sum of its proper divisors (7248494030).

11390490562 is a wasteful number, since it uses less digits than its factorization.

11390490562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517749584.

The product of its (nonzero) digits is 58320, while the sum is 40.

Adding to 11390490562 its reverse (26509409311), we get a palindrome (37899899873).

The spelling of 11390490562 in words is "eleven billion, three hundred ninety million, four hundred ninety thousand, five hundred sixty-two".