11451454150511 has 4 divisors (see below), whose sum is σ = 11645546593800. Its totient is φ = 11257361707224.

The previous prime is 11451454150481. The next prime is 11451454150519. The reversal of 11451454150511 is 11505145415411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11451454150511 is a prime.

It is a super-2 number, since 2×11451454150511² (a number of 27 digits) contains 22 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 (11451454150519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97046221556 + ... + 97046221673.

It is an arithmetic number, because the mean of its divisors is an integer number (2911386648450).

Almost surely, 2^{11451454150511} is an apocalyptic number.

11451454150511 is a deficient number, since it is larger than the sum of its proper divisors (194092443289).

11451454150511 is an equidigital number, since it uses as much as digits as its factorization.

11451454150511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194092443288.

The product of its (nonzero) digits is 40000, while the sum is 38.

Adding to 11451454150511 its reverse (11505145415411), we get a palindrome (22956599565922).

The spelling of 11451454150511 in words is "eleven trillion, four hundred fifty-one billion, four hundred fifty-four million, one hundred fifty thousand, five hundred eleven".