551497888794155 has 8 divisors (see below), whose sum is σ = 665123081964000. Its totient is φ = 438981234094656.

The previous prime is 551497888794131. The next prime is 551497888794169.

551497888794155 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551497888794155 - 2³² = 551493593826859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277134616490 + ... + 277134618479.

It is an arithmetic number, because the mean of its divisors is an integer number (83140385245500).

Almost surely, 2^{551497888794155} is an apocalyptic number.

551497888794155 is a deficient number, since it is larger than the sum of its proper divisors (113625193169845).

551497888794155 is a wasteful number, since it uses less digits than its factorization.

551497888794155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554269235173.

The product of its digits is 20321280000, while the sum is 86.

The spelling of 551497888794155 in words is "five hundred fifty-one trillion, four hundred ninety-seven billion, eight hundred eighty-eight million, seven hundred ninety-four thousand, one hundred fifty-five".