101142564436 has 6 divisors (see below), whose sum is σ = 176999487770. Its totient is φ = 50571282216.

The previous prime is 101142564409. The next prime is 101142564437. The reversal of 101142564436 is 634465241101.

It can be written as a sum of positive squares in only one way, i.e., 57118132036 + 44024432400 = 238994^2 + 209820^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101142564395 and 101142564404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101142564437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12642820551 + ... + 12642820558.

Almost surely, 2^101142564436 is an apocalyptic number.

It is an amenable number.

101142564436 is a deficient number, since it is larger than the sum of its proper divisors (75856923334).

101142564436 is a wasteful number, since it uses less digits than its factorization.

101142564436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25285641113 (or 25285641111 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 101142564436 in words is "one hundred one billion, one hundred forty-two million, five hundred sixty-four thousand, four hundred thirty-six".