11542537455 has 16 divisors (see below), whose sum is σ = 18541643904. Its totient is φ = 6131492000.

The previous prime is 11542537453. The next prime is 11542537469. The reversal of 11542537455 is 55473524511.

It is not a de Polignac number, because 11542537455 - 2¹ = 11542537453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11542537453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1529109 + ... + 1536638.

It is an arithmetic number, because the mean of its divisors is an integer number (1158852744).

Almost surely, 2^11542537455 is an apocalyptic number.

11542537455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11542537455 is a deficient number, since it is larger than the sum of its proper divisors (6999106449).

11542537455 is a wasteful number, since it uses less digits than its factorization.

11542537455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066006.

The product of its digits is 420000, while the sum is 42.

The spelling of 11542537455 in words is "eleven billion, five hundred forty-two million, five hundred thirty-seven thousand, four hundred fifty-five".