105361543542 has 64 divisors (see below), whose sum is σ = 215326273536. Its totient is φ = 34361970720.

The previous prime is 105361543523. The next prime is 105361543549. The reversal of 105361543542 is 245345163501.

It is a happy number.

It is a super-2 number, since 2×105361543542² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105361543542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105361543549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31705093 + ... + 31708415.

It is an arithmetic number, because the mean of its divisors is an integer number (3364473024).

Almost surely, 2^105361543542 is an apocalyptic number.

105361543542 is an abundant number, since it is smaller than the sum of its proper divisors (109964729994).

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

105361543542 is a wasteful number, since it uses less digits than its factorization.

105361543542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 105361543542 in words is "one hundred five billion, three hundred sixty-one million, five hundred forty-three thousand, five hundred forty-two".