551033001025 has 12 divisors (see below), whose sum is σ = 735840992572. Its totient is φ = 406916677440.

The previous prime is 551033001023. The next prime is 551033001037. The reversal of 551033001025 is 520100330155.

It can be written as a sum of positive squares in 6 ways, for example, as 256768576 + 550776232449 = 16024^2 + 742143^2 .

It is not a de Polignac number, because 551033001025 - 2¹ = 551033001023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551033001023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 847742754 + ... + 847743403.

Almost surely, 2^551033001025 is an apocalyptic number.

It is an amenable number.

551033001025 is a deficient number, since it is larger than the sum of its proper divisors (184807991547).

551033001025 is a wasteful number, since it uses less digits than its factorization.

551033001025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695486180 (or 1695486175 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The spelling of 551033001025 in words is "five hundred fifty-one billion, thirty-three million, one thousand, twenty-five".