11234401542 has 64 divisors (see below), whose sum is σ = 30726581760. Its totient is φ = 2962917792.

The previous prime is 11234401523. The next prime is 11234401561. The reversal of 11234401542 is 24510443211.

11234401542 is a `hidden beast` number, since 112 + 3 + 4 + 4 + 0 + 1 + 542 = 666.

It is an interprime number because it is at equal distance from previous prime (11234401523) and next prime (11234401561).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1138188 + ... + 1148015.

It is an arithmetic number, because the mean of its divisors is an integer number (480102840).

Almost surely, 2^11234401542 is an apocalyptic number.

11234401542 is an abundant number, since it is smaller than the sum of its proper divisors (19492180218).

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

11234401542 is a wasteful number, since it uses less digits than its factorization.

11234401542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286234 (or 2286228 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 11234401542 its reverse (24510443211), we get a palindrome (35744844753).

The spelling of 11234401542 in words is "eleven billion, two hundred thirty-four million, four hundred one thousand, five hundred forty-two".