11542045451 has 4 divisors (see below), whose sum is σ = 11737673400. Its totient is φ = 11346417504.

The previous prime is 11542045429. The next prime is 11542045453. The reversal of 11542045451 is 15454024511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11542045451 - 2¹⁴ = 11542029067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11542045453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97813886 + ... + 97814003.

It is an arithmetic number, because the mean of its divisors is an integer number (2934418350).

Almost surely, 2^11542045451 is an apocalyptic number.

11542045451 is a deficient number, since it is larger than the sum of its proper divisors (195627949).

11542045451 is an equidigital number, since it uses as much as digits as its factorization.

11542045451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195627948.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 11542045451 its reverse (15454024511), we get a palindrome (26996069962).

The spelling of 11542045451 in words is "eleven billion, five hundred forty-two million, forty-five thousand, four hundred fifty-one".