11542551023 has 4 divisors (see below), whose sum is σ = 11549251848. Its totient is φ = 11535850200.

The previous prime is 11542550959. The next prime is 11542551049. The reversal of 11542551023 is 32015524511.

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 11542551023 - 2⁶ = 11542550959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11542556023) 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, 3347828 + ... + 3351273.

It is an arithmetic number, because the mean of its divisors is an integer number (2887312962).

Almost surely, 2^11542551023 is an apocalyptic number.

11542551023 is a deficient number, since it is larger than the sum of its proper divisors (6700825).

11542551023 is an equidigital number, since it uses as much as digits as its factorization.

11542551023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700824.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 11542551023 in words is "eleven billion, five hundred forty-two million, five hundred fifty-one thousand, twenty-three".