11504025541031 has 4 divisors (see below), whose sum is σ = 11748792041952. Its totient is φ = 11259259040112.

The previous prime is 11504025540919. The next prime is 11504025541097. The reversal of 11504025541031 is 13014552040511.

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-11504025541031 is a prime.

It is a super-2 number, since 2×11504025541031² (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 (11504025540031) 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, 122383250390 + ... + 122383250483.

It is an arithmetic number, because the mean of its divisors is an integer number (2937198010488).

Almost surely, 2^{11504025541031} is an apocalyptic number.

11504025541031 is a deficient number, since it is larger than the sum of its proper divisors (244766500921).

11504025541031 is an equidigital number, since it uses as much as digits as its factorization.

11504025541031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244766500920.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 11504025541031 its reverse (13014552040511), we get a palindrome (24518577581542).

The spelling of 11504025541031 in words is "eleven trillion, five hundred four billion, twenty-five million, five hundred forty-one thousand, thirty-one".