1131301027548 has 18 divisors (see below), whose sum is σ = 2859677597504. Its totient is φ = 377100342504.

The previous prime is 1131301027547. The next prime is 1131301027567. The reversal of 1131301027548 is 8457201031311.

1131301027548 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 3 + 0 + 102 + 7 + 548 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 31425028543 = 1131301027548 / (1 + 1 + 3 + 1 + 3 + 0 + 1 + 0 + 2 + 7 + 5 + 4 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131301027547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15712514236 + ... + 15712514307.

Almost surely, 2^{1131301027548} is an apocalyptic number.

1131301027548 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1131301027548 is an abundant number, since it is smaller than the sum of its proper divisors (1728376569956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131301027548 is a wasteful number, since it uses less digits than its factorization.

1131301027548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31425028553 (or 31425028548 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

Adding to 1131301027548 its reverse (8457201031311), we get a palindrome (9588502058859).

The spelling of 1131301027548 in words is "one trillion, one hundred thirty-one billion, three hundred one million, twenty-seven thousand, five hundred forty-eight".