10155366564502 has 4 divisors (see below), whose sum is σ = 15233049846756. Its totient is φ = 5077683282250.

The previous prime is 10155366564493. The next prime is 10155366564503. The reversal of 10155366564502 is 20546566355101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10155366564503) by changing a digit.

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 as a sum of consecutive naturals, namely, 2538841641124 + ... + 2538841641127.

It is an arithmetic number, because the mean of its divisors is an integer number (3808262461689).

Almost surely, 2^{10155366564502} is an apocalyptic number.

10155366564502 is a deficient number, since it is larger than the sum of its proper divisors (5077683282254).

10155366564502 is an equidigital number, since it uses as much as digits as its factorization.

10155366564502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077683282253.

The product of its (nonzero) digits is 3240000, while the sum is 49.

The spelling of 10155366564502 in words is "ten trillion, one hundred fifty-five billion, three hundred sixty-six million, five hundred sixty-four thousand, five hundred two".