11540155151 has 8 divisors (see below), whose sum is σ = 13216993920. Its totient is φ = 9870377688.

The previous prime is 11540155129. The next prime is 11540155157. The reversal of 11540155151 is 15155104511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11540155151 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 (11540155157) 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, 1761821 + ... + 1768358.

It is an arithmetic number, because the mean of its divisors is an integer number (1652124240).

Almost surely, 2^11540155151 is an apocalyptic number.

11540155151 is a deficient number, since it is larger than the sum of its proper divisors (1676838769).

11540155151 is an equidigital number, since it uses as much as digits as its factorization.

11540155151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530653.

The product of its (nonzero) digits is 2500, while the sum is 29.

Adding to 11540155151 its reverse (15155104511), we get a palindrome (26695259662).

The spelling of 11540155151 in words is "eleven billion, five hundred forty million, one hundred fifty-five thousand, one hundred fifty-one".