40011151361 has 4 divisors (see below), whose sum is σ = 40011788292. Its totient is φ = 40010514432.

The previous prime is 40011151351. The next prime is 40011151379. The reversal of 40011151361 is 16315111004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36045300736 + 3965850625 = 189856^2 + 62975^2 .

It is a cyclic number.

It is not a de Polignac number, because 40011151361 - 2²⁶ = 39944042497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40011151351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212480 + ... + 353793.

It is an arithmetic number, because the mean of its divisors is an integer number (10002947073).

Almost surely, 2^40011151361 is an apocalyptic number.

It is an amenable number.

40011151361 is a deficient number, since it is larger than the sum of its proper divisors (636931).

40011151361 is an equidigital number, since it uses as much as digits as its factorization.

40011151361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636930.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 40011151361 its reverse (16315111004), we get a palindrome (56326262365).

The spelling of 40011151361 in words is "forty billion, eleven million, one hundred fifty-one thousand, three hundred sixty-one".