1131021400413 has 32 divisors (see below), whose sum is σ = 1614496665600. Its totient is φ = 702150724800.

The previous prime is 1131021400391. The next prime is 1131021400417. The reversal of 1131021400413 is 3140041201311.

It is not a de Polignac number, because 1131021400413 - 2²¹ = 1131019303261 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131021400413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131021400417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5146108 + ... + 5361386.

It is an arithmetic number, because the mean of its divisors is an integer number (50453020800).

Almost surely, 2^{1131021400413} is an apocalyptic number.

It is an amenable number.

1131021400413 is a deficient number, since it is larger than the sum of its proper divisors (483475265187).

1131021400413 is a wasteful number, since it uses less digits than its factorization.

1131021400413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216873.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1131021400413 its reverse (3140041201311), we get a palindrome (4271062601724).

The spelling of 1131021400413 in words is "one trillion, one hundred thirty-one billion, twenty-one million, four hundred thousand, four hundred thirteen".