2115151113404 has 24 divisors (see below), whose sum is σ = 4230350607840. Its totient is φ = 906482966976.

The previous prime is 2115151113379. The next prime is 2115151113419. The reversal of 2115151113404 is 4043111515112.

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 7 ways as a sum of consecutive naturals, for example, 2381462 + ... + 3146690.

It is an arithmetic number, because the mean of its divisors is an integer number (176264608660).

Almost surely, 2^{2115151113404} is an apocalyptic number.

It is an amenable number.

2115151113404 is an abundant number, since it is smaller than the sum of its proper divisors (2115199494436).

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

2115151113404 is a wasteful number, since it uses less digits than its factorization.

2115151113404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863957 (or 863955 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 29.

Adding to 2115151113404 its reverse (4043111515112), we get a palindrome (6158262628516).

The spelling of 2115151113404 in words is "two trillion, one hundred fifteen billion, one hundred fifty-one million, one hundred thirteen thousand, four hundred four".