11413402981 has 2 divisors, whose sum is σ = 11413402982. Its totient is φ = 11413402980.

The previous prime is 11413402969. The next prime is 11413403059. The reversal of 11413402981 is 18920431411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7933464900 + 3479938081 = 89070^2 + 58991^2 .

It is a cyclic number.

It is not a de Polignac number, because 11413402981 - 2¹⁹ = 11412878693 is a prime.

It is a super-2 number, since 2×11413402981² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11417402981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5706701490 + 5706701491.

It is an arithmetic number, because the mean of its divisors is an integer number (5706701491).

Almost surely, 2^11413402981 is an apocalyptic number.

It is an amenable number.

11413402981 is a deficient number, since it is larger than the sum of its proper divisors (1).

11413402981 is an equidigital number, since it uses as much as digits as its factorization.

11413402981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 11413402981 in words is "eleven billion, four hundred thirteen million, four hundred two thousand, nine hundred eighty-one".