11945219478310 has 64 divisors (see below), whose sum is σ = 21911990400000. Its totient is φ = 4687193540224.

The previous prime is 11945219478299. The next prime is 11945219478331. The reversal of 11945219478310 is 1387491254911.

It is a super-2 number, since 2×11945219478310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 985654431 + ... + 985666549.

It is an arithmetic number, because the mean of its divisors is an integer number (342374850000).

Almost surely, 2^{11945219478310} is an apocalyptic number.

11945219478310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11945219478310 is a deficient number, since it is larger than the sum of its proper divisors (9966770921690).

11945219478310 is a wasteful number, since it uses less digits than its factorization.

11945219478310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15573.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 11945219478310 in words is "eleven trillion, nine hundred forty-five billion, two hundred nineteen million, four hundred seventy-eight thousand, three hundred ten".