11540145453 has 8 divisors (see below), whose sum is σ = 15523027968. Its totient is φ = 7625346624.

The previous prime is 11540145437. The next prime is 11540145469. The reversal of 11540145453 is 35454104511.

It is an interprime number because it is at equal distance from previous prime (11540145437) and next prime (11540145469).

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

It is not a de Polignac number, because 11540145453 - 2⁴ = 11540145437 is a prime.

It is a super-3 number, since 3×11540145453³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11540145473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17020525 + ... + 17021202.

It is an arithmetic number, because the mean of its divisors is an integer number (1940378496).

Almost surely, 2^11540145453 is an apocalyptic number.

It is an amenable number.

11540145453 is a deficient number, since it is larger than the sum of its proper divisors (3982882515).

11540145453 is a wasteful number, since it uses less digits than its factorization.

11540145453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34041843.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 11540145453 its reverse (35454104511), we get a palindrome (46994249964).

The spelling of 11540145453 in words is "eleven billion, five hundred forty million, one hundred forty-five thousand, four hundred fifty-three".