5511014478025 has 27 divisors (see below), whose sum is σ = 7949475730101. Its totient is φ = 3778925015040.

The previous prime is 5511014478019. The next prime is 5511014478061. The reversal of 5511014478025 is 5208744101155.

The square root of 5511014478025 is 2347555.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 818990610361 + 4692023867664 = 904981^2 + 2166108^2 .

It is not a de Polignac number, because 5511014478025 - 2⁵ = 5511014477993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 82130889 + ... + 82197961.

Almost surely, 2^{5511014478025} is an apocalyptic number.

5511014478025 is the 2347555-th square number.

5511014478025 is the 1173778-th centered octagonal number.

It is an amenable number.

5511014478025 is a deficient number, since it is larger than the sum of its proper divisors (2438461252076).

5511014478025 is an frugal number, since it uses more digits than its factorization.

5511014478025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134170 (or 67085 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 43.

The spelling of 5511014478025 in words is "five trillion, five hundred eleven billion, fourteen million, four hundred seventy-eight thousand, twenty-five".