11213063542 has 16 divisors (see below), whose sum is σ = 17027496000. Its totient is φ = 5537371840.

The previous prime is 11213063539. The next prime is 11213063557. The reversal of 11213063542 is 24536031211.

It is a self number, because there is not a number n which added to its sum of digits gives 11213063542.

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, 127584 + ... + 196732.

It is an arithmetic number, because the mean of its divisors is an integer number (1064218500).

Almost surely, 2^11213063542 is an apocalyptic number.

11213063542 is a deficient number, since it is larger than the sum of its proper divisors (5814432458).

11213063542 is an equidigital number, since it uses as much as digits as its factorization.

11213063542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70151.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 11213063542 its reverse (24536031211), we get a palindrome (35749094753).

The spelling of 11213063542 in words is "eleven billion, two hundred thirteen million, sixty-three thousand, five hundred forty-two".