11312420219 has 8 divisors (see below), whose sum is σ = 11623426320. Its totient is φ = 11001691296.

The previous prime is 11312420191. The next prime is 11312420239. The reversal of 11312420219 is 91202421311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11312420219 - 2²⁴ = 11295643003 is a prime.

It is a super-2 number, since 2×11312420219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312420239) 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, 14837 + ... + 151145.

It is an arithmetic number, because the mean of its divisors is an integer number (1452928290).

Almost surely, 2^11312420219 is an apocalyptic number.

11312420219 is a deficient number, since it is larger than the sum of its proper divisors (311006101).

11312420219 is a wasteful number, since it uses less digits than its factorization.

11312420219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138589.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 11312420219 in words is "eleven billion, three hundred twelve million, four hundred twenty thousand, two hundred nineteen".