11542231152451 has 8 divisors (see below), whose sum is σ = 12331056063680. Its totient is φ = 10771540147368.

The previous prime is 11542231152401. The next prime is 11542231152457. The reversal of 11542231152451 is 15425113224511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11542231152451 - 2¹¹ = 11542231150403 is a prime.

It is a super-2 number, since 2×11542231152451² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11542231152451.

It is not an unprimeable number, because it can be changed into a prime (11542231152457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4533475221 + ... + 4533477766.

It is an arithmetic number, because the mean of its divisors is an integer number (1541382007960).

Almost surely, 2^{11542231152451} is an apocalyptic number.

11542231152451 is a deficient number, since it is larger than the sum of its proper divisors (788824911229).

11542231152451 is an equidigital number, since it uses as much as digits as its factorization.

11542231152451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9066953073.

The product of its digits is 48000, while the sum is 37.

Adding to 11542231152451 its reverse (15425113224511), we get a palindrome (26967344376962).

The spelling of 11542231152451 in words is "eleven trillion, five hundred forty-two billion, two hundred thirty-one million, one hundred fifty-two thousand, four hundred fifty-one".