11955729147900 has 36 divisors (see below), whose sum is σ = 34591909668792. Its totient is φ = 3188194439360.

The previous prime is 11955729147883. The next prime is 11955729147959. The reversal of 11955729147900 is 974192755911.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19926214947 + ... + 19926215546.

Almost surely, 2^{11955729147900} is an apocalyptic number.

11955729147900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11955729147900 is an abundant number, since it is smaller than the sum of its proper divisors (22636180520892).

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

11955729147900 is a wasteful number, since it uses less digits than its factorization.

11955729147900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39852430510 (or 39852430503 counting only the distinct ones).

The product of its (nonzero) digits is 7144200, while the sum is 60.

The spelling of 11955729147900 in words is "eleven trillion, nine hundred fifty-five billion, seven hundred twenty-nine million, one hundred forty-seven thousand, nine hundred".