11542534351 has 4 divisors (see below), whose sum is σ = 11760318072. Its totient is φ = 11324750632.

The previous prime is 11542534349. The next prime is 11542534361. The reversal of 11542534351 is 15343524511.

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 11542534351 - 2¹ = 11542534349 is a prime.

It is a super-3 number, since 3×11542534351³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11542534321) 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, 108891781 + ... + 108891886.

It is an arithmetic number, because the mean of its divisors is an integer number (2940079518).

Almost surely, 2^11542534351 is an apocalyptic number.

11542534351 is a deficient number, since it is larger than the sum of its proper divisors (217783721).

11542534351 is an equidigital number, since it uses as much as digits as its factorization.

11542534351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217783720.

The product of its digits is 36000, while the sum is 34.

The spelling of 11542534351 in words is "eleven billion, five hundred forty-two million, five hundred thirty-four thousand, three hundred fifty-one".