1131248590454 has 8 divisors (see below), whose sum is σ = 1696978257888. Its totient is φ = 565589171160.

The previous prime is 1131248590453. The next prime is 1131248590471. The reversal of 1131248590454 is 4540958421311.

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

It is a super-2 number, since 2×1131248590454² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131248590399 and 1131248590408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131248590453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17521757 + ... + 17586200.

It is an arithmetic number, because the mean of its divisors is an integer number (212122282236).

Almost surely, 2^{1131248590454} is an apocalyptic number.

1131248590454 is a deficient number, since it is larger than the sum of its proper divisors (565729667434).

1131248590454 is a wasteful number, since it uses less digits than its factorization.

1131248590454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35124070.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 1131248590454 in words is "one trillion, one hundred thirty-one billion, two hundred forty-eight million, five hundred ninety thousand, four hundred fifty-four".