101543035542 has 128 divisors (see below), whose sum is σ = 228882640896. Its totient is φ = 29828155392.

The previous prime is 101543035511. The next prime is 101543035553. The reversal of 101543035542 is 245530345101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33588643 + ... + 33591665.

It is an arithmetic number, because the mean of its divisors is an integer number (1788145632).

Almost surely, 2^101543035542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101543035542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114441320448).

101543035542 is an abundant number, since it is smaller than the sum of its proper divisors (127339605354).

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

101543035542 is a wasteful number, since it uses less digits than its factorization.

101543035542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 101543035542 in words is "one hundred one billion, five hundred forty-three million, thirty-five thousand, five hundred forty-two".