101261243152 has 40 divisors (see below), whose sum is σ = 198790173440. Its totient is φ = 49961283840.

The previous prime is 101261243107. The next prime is 101261243173. The reversal of 101261243152 is 251342162101.

It is a self number, because there is not a number n which added to its sum of digits gives 101261243152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2292508 + ... + 2336260.

It is an arithmetic number, because the mean of its divisors is an integer number (4969754336).

Almost surely, 2^101261243152 is an apocalyptic number.

It is an amenable number.

101261243152 is a deficient number, since it is larger than the sum of its proper divisors (97528930288).

101261243152 is a wasteful number, since it uses less digits than its factorization.

101261243152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45671 (or 45665 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 101261243152 in words is "one hundred one billion, two hundred sixty-one million, two hundred forty-three thousand, one hundred fifty-two".