103399194971520 has 768 divisors, whose sum is σ = 451052673508800. Its totient is φ = 22243857334272.

The previous prime is 103399194971519. The next prime is 103399194971531. The reversal of 103399194971520 is 25179491993301.

103399194971520 is a `hidden beast` number, since 1 + 0 + 3 + 3 + 9 + 9 + 19 + 4 + 97 + 1 + 520 = 666.

It is a super-2 number, since 2×103399194971520² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10802554 + ... + 17985926.

Almost surely, 2^{103399194971520} is an apocalyptic number.

103399194971520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103399194971520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225526336754400).

103399194971520 is an abundant number, since it is smaller than the sum of its proper divisors (347653478537280).

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

103399194971520 is a wasteful number, since it uses less digits than its factorization.

103399194971520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7183432 (or 7183407 counting only the distinct ones).

The product of its (nonzero) digits is 16533720, while the sum is 63.

The spelling of 103399194971520 in words is "one hundred three trillion, three hundred ninety-nine billion, one hundred ninety-four million, nine hundred seventy-one thousand, five hundred twenty".