551211234025 has 12 divisors (see below), whose sum is σ = 683518672144. Its totient is φ = 440958186000.

The previous prime is 551211233971. The next prime is 551211234043. The reversal of 551211234025 is 520432112155.

It is not a de Polignac number, because 551211234025 - 2⁷ = 551211233897 is a prime.

It is a super-4 number, since 4×551211234025⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 864490 + ... + 1360060.

Almost surely, 2^551211234025 is an apocalyptic number.

It is an amenable number.

551211234025 is a deficient number, since it is larger than the sum of its proper divisors (132307438119).

551211234025 is a wasteful number, since it uses less digits than its factorization.

551211234025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540072 (or 540067 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 551211234025 in words is "five hundred fifty-one billion, two hundred eleven million, two hundred thirty-four thousand, twenty-five".