10501555442 has 12 divisors (see below), whose sum is σ = 18324142830. Its totient is φ = 4500666576.

The previous prime is 10501555439. The next prime is 10501555453. The reversal of 10501555442 is 24455510501.

It can be written as a sum of positive squares in only one way, i.e., 9815063041 + 686492401 = 99071^2 + 26201^2 .

It is a super-2 number, since 2×10501555442² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10501555399 and 10501555408.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53579267 + ... + 53579462.

Almost surely, 2^10501555442 is an apocalyptic number.

10501555442 is a deficient number, since it is larger than the sum of its proper divisors (7822587388).

10501555442 is a wasteful number, since it uses less digits than its factorization.

10501555442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107158745 (or 107158738 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 10501555442 in words is "ten billion, five hundred one million, five hundred fifty-five thousand, four hundred forty-two".