101263532018 has 16 divisors (see below), whose sum is σ = 175451253984. Its totient is φ = 43321296960.

The previous prime is 101263532011. The next prime is 101263532021. The reversal of 101263532018 is 810235362101.

It is a super-2 number, since 2×101263532018² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101263532011) 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, 135378680 + ... + 135379427.

It is an arithmetic number, because the mean of its divisors is an integer number (10965703374).

Almost surely, 2^101263532018 is an apocalyptic number.

101263532018 is a deficient number, since it is larger than the sum of its proper divisors (74187721966).

101263532018 is a wasteful number, since it uses less digits than its factorization.

101263532018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270758137.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 101263532018 its reverse (810235362101), we get a palindrome (911498894119).

The spelling of 101263532018 in words is "one hundred one billion, two hundred sixty-three million, five hundred thirty-two thousand, eighteen".