551504000152145 has 4 divisors (see below), whose sum is σ = 661804800182580. Its totient is φ = 441203200121712.

The previous prime is 551504000152111. The next prime is 551504000152151. The reversal of 551504000152145 is 541251000405155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62286442014976 + 489217558137169 = 7892176^2 + 22118263^2 .

It is a cyclic number.

It is not a de Polignac number, because 551504000152145 - 2⁸ = 551504000151889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551504000152099 and 551504000152108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55150400015210 + ... + 55150400015219.

It is an arithmetic number, because the mean of its divisors is an integer number (165451200045645).

Almost surely, 2^{551504000152145} is an apocalyptic number.

It is an amenable number.

551504000152145 is a deficient number, since it is larger than the sum of its proper divisors (110300800030435).

551504000152145 is a wasteful number, since it uses less digits than its factorization.

551504000152145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110300800030434.

The product of its (nonzero) digits is 100000, while the sum is 38.

The spelling of 551504000152145 in words is "five hundred fifty-one trillion, five hundred four billion, one hundred fifty-two thousand, one hundred forty-five".