5252166012154 has 4 divisors (see below), whose sum is σ = 7878249018234. Its totient is φ = 2626083006076.

The previous prime is 5252166012143. The next prime is 5252166012179. The reversal of 5252166012154 is 4512106612525.

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

It can be written as a sum of positive squares in only one way, i.e., 3753189409225 + 1498976602929 = 1937315^2 + 1224327^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1313041503037 + ... + 1313041503040.

Almost surely, 2^{5252166012154} is an apocalyptic number.

5252166012154 is a deficient number, since it is larger than the sum of its proper divisors (2626083006080).

5252166012154 is a wasteful number, since it uses less digits than its factorization.

5252166012154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626083006079.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 5252166012154 in words is "five trillion, two hundred fifty-two billion, one hundred sixty-six million, twelve thousand, one hundred fifty-four".