29521804541142 has 16 divisors (see below), whose sum is σ = 59044572522432. Its totient is φ = 9840440940360.

The previous prime is 29521804541083. The next prime is 29521804541143. The reversal of 29521804541142 is 24114540812592.

It is a junction number, because it is equal to n+sod(n) for n = 29521804541091 and 29521804541100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29521804541143) 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, 39744688 + ... + 40480659.

It is an arithmetic number, because the mean of its divisors is an integer number (3690285782652).

Almost surely, 2^{29521804541142} is an apocalyptic number.

29521804541142 is an abundant number, since it is smaller than the sum of its proper divisors (29522767981290).

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

29521804541142 is a wasteful number, since it uses less digits than its factorization.

29521804541142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80286683.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 29521804541142 in words is "twenty-nine trillion, five hundred twenty-one billion, eight hundred four million, five hundred forty-one thousand, one hundred forty-two".