551154021245435 has 64 divisors (see below), whose sum is σ = 687740678352000. Its totient is φ = 423684230860800.

The previous prime is 551154021245237. The next prime is 551154021245447. The reversal of 551154021245435 is 534542120451155.

It is a happy number.

It is not a de Polignac number, because 551154021245435 - 2⁴⁰ = 550054509617659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551154021245435.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33732412496 + ... + 33732428834.

It is an arithmetic number, because the mean of its divisors is an integer number (10745948099250).

Almost surely, 2^{551154021245435} is an apocalyptic number.

551154021245435 is a deficient number, since it is larger than the sum of its proper divisors (136586657106565).

551154021245435 is a wasteful number, since it uses less digits than its factorization.

551154021245435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23472.

The product of its (nonzero) digits is 2400000, while the sum is 47.

The spelling of 551154021245435 in words is "five hundred fifty-one trillion, one hundred fifty-four billion, twenty-one million, two hundred forty-five thousand, four hundred thirty-five".