11401038469 has 16 divisors (see below), whose sum is σ = 11813575536. Its totient is φ = 10995264000.

The previous prime is 11401038437. The next prime is 11401038487. The reversal of 11401038469 is 96483010411.

It can be written as a sum of positive squares in 8 ways, for example, as 644652100 + 10756386369 = 25390^2 + 103713^2 .

It is not a de Polignac number, because 11401038469 - 2⁵ = 11401038437 is a prime.

It is a super-2 number, since 2×11401038469² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401038419) 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, 3132919 + ... + 3136555.

It is an arithmetic number, because the mean of its divisors is an integer number (738348471).

Almost surely, 2^11401038469 is an apocalyptic number.

It is an amenable number.

11401038469 is a deficient number, since it is larger than the sum of its proper divisors (412537067).

11401038469 is a wasteful number, since it uses less digits than its factorization.

11401038469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 11401038469 in words is "eleven billion, four hundred one million, thirty-eight thousand, four hundred sixty-nine".