11372820519 has 8 divisors (see below), whose sum is σ = 15961853440.
Its totient is φ = 7182833976.
The previous prime is 11372820517. The next prime is 11372820523. The reversal of 11372820519 is 91502827311.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 11372820519 - 21 = 11372820517 is a prime.
It is a super-2 number, since 2×113728205192 (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 (11372820517) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99761527 + ... + 99761640.
It is an arithmetic number, because the mean of its divisors is an integer number (1995231680).
Almost surely, 211372820519 is an apocalyptic number.
11372820519 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
11372820519 is a deficient number, since it is larger than the sum of its proper divisors (4589032921).
11372820519 is a wasteful number, since it uses less digits than its factorization.
11372820519 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 199523189.
The product of its (nonzero) digits is 30240, while the sum is 39.
The spelling of 11372820519 in words is "eleven billion, three hundred seventy-two million, eight hundred twenty thousand, five hundred nineteen".