1131352041491 has 16 divisors (see below), whose sum is σ = 1361065305600. Its totient is φ = 918664685568.

The previous prime is 1131352041487. The next prime is 1131352041493. The reversal of 1131352041491 is 1941402531311.

It is not a de Polignac number, because 1131352041491 - 2² = 1131352041487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131352041493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5239850 + ... + 5451488.

It is an arithmetic number, because the mean of its divisors is an integer number (85066581600).

Almost surely, 2^{1131352041491} is an apocalyptic number.

1131352041491 is a deficient number, since it is larger than the sum of its proper divisors (229713264109).

1131352041491 is a wasteful number, since it uses less digits than its factorization.

1131352041491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251858.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 1131352041491 in words is "one trillion, one hundred thirty-one billion, three hundred fifty-two million, forty-one thousand, four hundred ninety-one".