11545531054 has 4 divisors (see below), whose sum is σ = 17318296584. Its totient is φ = 5772765526.

The previous prime is 11545531037. The next prime is 11545531103. The reversal of 11545531054 is 45013554511.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2886382762 + ... + 2886382765.

It is an arithmetic number, because the mean of its divisors is an integer number (4329574146).

Almost surely, 2^11545531054 is an apocalyptic number.

11545531054 is a deficient number, since it is larger than the sum of its proper divisors (5772765530).

11545531054 is an equidigital number, since it uses as much as digits as its factorization.

11545531054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5772765529.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 11545531054 in words is "eleven billion, five hundred forty-five million, five hundred thirty-one thousand, fifty-four".