11231501104542 has 32 divisors (see below), whose sum is σ = 22781050965504. Its totient is φ = 3690833300000.

The previous prime is 11231501104507. The next prime is 11231501104583. The reversal of 11231501104542 is 24540110513211.

It is a super-2 number, since 2×11231501104542² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4899268 + ... + 6816584.

It is an arithmetic number, because the mean of its divisors is an integer number (711907842672).

Almost surely, 2^{11231501104542} is an apocalyptic number.

11231501104542 is an abundant number, since it is smaller than the sum of its proper divisors (11549549860962).

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

11231501104542 is a wasteful number, since it uses less digits than its factorization.

11231501104542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931144.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 11231501104542 its reverse (24540110513211), we get a palindrome (35771611617753).

The spelling of 11231501104542 in words is "eleven trillion, two hundred thirty-one billion, five hundred one million, one hundred four thousand, five hundred forty-two".