11315211402040 has 64 divisors (see below), whose sum is σ = 31334431584960. Its totient is φ = 3581077893120.

The previous prime is 11315211401969. The next prime is 11315211402101. The reversal of 11315211402040 is 4020411251311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11315211401996 and 11315211402014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1554283641 + ... + 1554290920.

It is an arithmetic number, because the mean of its divisors is an integer number (489600493515).

Almost surely, 2^{11315211402040} is an apocalyptic number.

11315211402040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11315211402040 is an abundant number, since it is smaller than the sum of its proper divisors (20019220182920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11315211402040 is a wasteful number, since it uses less digits than its factorization.

11315211402040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108574592 (or 3108574588 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 11315211402040 its reverse (4020411251311), we get a palindrome (15335622653351).

The spelling of 11315211402040 in words is "eleven trillion, three hundred fifteen billion, two hundred eleven million, four hundred two thousand, forty".