101955852543 has 16 divisors (see below), whose sum is σ = 139271330016. Its totient is φ = 66319643520.

The previous prime is 101955852521. The next prime is 101955852563. The reversal of 101955852543 is 345258559101.

It is a de Polignac number, because none of the positive numbers 2^k-101955852543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101955852492 and 101955852501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101955852503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1742580 + ... + 1800137.

It is an arithmetic number, because the mean of its divisors is an integer number (8704458126).

Almost surely, 2^101955852543 is an apocalyptic number.

101955852543 is a deficient number, since it is larger than the sum of its proper divisors (37315477473).

101955852543 is a wasteful number, since it uses less digits than its factorization.

101955852543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542954.

The product of its (nonzero) digits is 1080000, while the sum is 48.

The spelling of 101955852543 in words is "one hundred one billion, nine hundred fifty-five million, eight hundred fifty-two thousand, five hundred forty-three".