551412451511 has 4 divisors (see below), whose sum is σ = 553700470224. Its totient is φ = 549124432800.

The previous prime is 551412451501. The next prime is 551412451559. The reversal of 551412451511 is 115154214155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115154214155 = 5 ⋅23030842831.

It is a cyclic number.

It is not a de Polignac number, because 551412451511 - 2²² = 551408257207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551412451501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144008995 + ... + 1144009476.

It is an arithmetic number, because the mean of its divisors is an integer number (138425117556).

Almost surely, 2^551412451511 is an apocalyptic number.

551412451511 is a deficient number, since it is larger than the sum of its proper divisors (2288018713).

551412451511 is a wasteful number, since it uses less digits than its factorization.

551412451511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288018712.

The product of its digits is 20000, while the sum is 35.

Adding to 551412451511 its reverse (115154214155), we get a palindrome (666566665666).

The spelling of 551412451511 in words is "five hundred fifty-one billion, four hundred twelve million, four hundred fifty-one thousand, five hundred eleven".