101552423972 has 6 divisors (see below), whose sum is σ = 177716741958. Its totient is φ = 50776211984.

The previous prime is 101552423969. The next prime is 101552423989. The reversal of 101552423972 is 279324255101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 95372262976 + 6180160996 = 308824^2 + 78614^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12694052993 + ... + 12694053000.

It is an arithmetic number, because the mean of its divisors is an integer number (29619456993).

Almost surely, 2^101552423972 is an apocalyptic number.

It is an amenable number.

101552423972 is a deficient number, since it is larger than the sum of its proper divisors (76164317986).

101552423972 is a wasteful number, since it uses less digits than its factorization.

101552423972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25388105997 (or 25388105995 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 101552423972 in words is "one hundred one billion, five hundred fifty-two million, four hundred twenty-three thousand, nine hundred seventy-two".