10206254663542 has 16 divisors (see below), whose sum is σ = 17783263396512. Its totient is φ = 4302402433920.

The previous prime is 10206254663483. The next prime is 10206254663543. The reversal of 10206254663542 is 24536645260201.

It is a junction number, because it is equal to n+sod(n) for n = 10206254663492 and 10206254663501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10206254663543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5975558083 + ... + 5975559790.

It is an arithmetic number, because the mean of its divisors is an integer number (1111453962282).

Almost surely, 2^{10206254663542} is an apocalyptic number.

10206254663542 is a deficient number, since it is larger than the sum of its proper divisors (7577008732970).

10206254663542 is a wasteful number, since it uses less digits than its factorization.

10206254663542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11951117943.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 10206254663542 in words is "ten trillion, two hundred six billion, two hundred fifty-four million, six hundred sixty-three thousand, five hundred forty-two".