1551122553054 has 8 divisors (see below), whose sum is σ = 3102245106120. Its totient is φ = 517040851016.

The previous prime is 1551122553053. The next prime is 1551122553061. The reversal of 1551122553054 is 4503552211551.

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

1551122553054 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1551122553053) 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, 129260212749 + ... + 129260212760.

It is an arithmetic number, because the mean of its divisors is an integer number (387780638265).

Almost surely, 2^{1551122553054} is an apocalyptic number.

1551122553054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1551122553054 is a wasteful number, since it uses less digits than its factorization.

1551122553054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258520425514.

The product of its (nonzero) digits is 150000, while the sum is 39.

The spelling of 1551122553054 in words is "one trillion, five hundred fifty-one billion, one hundred twenty-two million, five hundred fifty-three thousand, fifty-four".