11514898420 has 12 divisors (see below), whose sum is σ = 24181286724. Its totient is φ = 4605959360.

The previous prime is 11514898393. The next prime is 11514898429. The reversal of 11514898420 is 2489841511.

It can be written as a sum of positive squares in 2 ways, for example, as 8070147556 + 3444750864 = 89834^2 + 58692^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11514898429) 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, 287872441 + ... + 287872480.

It is an arithmetic number, because the mean of its divisors is an integer number (2015107227).

Almost surely, 2^11514898420 is an apocalyptic number.

11514898420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11514898420 is an abundant number, since it is smaller than the sum of its proper divisors (12666388304).

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

11514898420 is a wasteful number, since it uses less digits than its factorization.

11514898420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575744930 (or 575744928 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 43.

The spelling of 11514898420 in words is "eleven billion, five hundred fourteen million, eight hundred ninety-eight thousand, four hundred twenty".