101533503404042 has 16 divisors (see below), whose sum is σ = 152682442427592. Its totient is φ = 50639496622080.

The previous prime is 101533503404033. The next prime is 101533503404071. The reversal of 101533503404042 is 240404305335101.

It can be written as a sum of positive squares in 4 ways, for example, as 77046454867321 + 24487048536721 = 8777611^2 + 4948439^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101533503403993 and 101533503404011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33729209 + ... + 36615932.

Almost surely, 2^{101533503404042} is an apocalyptic number.

101533503404042 is a deficient number, since it is larger than the sum of its proper divisors (51148939023550).

101533503404042 is a wasteful number, since it uses less digits than its factorization.

101533503404042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70346953.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 101533503404042 its reverse (240404305335101), we get a palindrome (341937808739143).

The spelling of 101533503404042 in words is "one hundred one trillion, five hundred thirty-three billion, five hundred three million, four hundred four thousand, forty-two".