101438311548 has 48 divisors (see below), whose sum is σ = 279829831680. Its totient is φ = 27982981824.

The previous prime is 101438311547. The next prime is 101438311621. The reversal of 101438311548 is 845113834101.

It is a super-2 number, since 2×101438311548² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101438311547) 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, 20818236 + ... + 20823107.

It is an arithmetic number, because the mean of its divisors is an integer number (5829788160).

Almost surely, 2^101438311548 is an apocalyptic number.

It is an amenable number.

101438311548 is an abundant number, since it is smaller than the sum of its proper divisors (178391520132).

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

101438311548 is a wasteful number, since it uses less digits than its factorization.

101438311548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41641386 (or 41641384 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 101438311548 in words is "one hundred one billion, four hundred thirty-eight million, three hundred eleven thousand, five hundred forty-eight".