1551017245054 has 32 divisors (see below), whose sum is σ = 2375430587712. Its totient is φ = 759329376000.

The previous prime is 1551017245009. The next prime is 1551017245069. The reversal of 1551017245054 is 4505427101551.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1551017244998 and 1551017245016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28847004 + ... + 28900720.

It is an arithmetic number, because the mean of its divisors is an integer number (74232205866).

Almost surely, 2^{1551017245054} is an apocalyptic number.

1551017245054 is a deficient number, since it is larger than the sum of its proper divisors (824413342658).

1551017245054 is a wasteful number, since it uses less digits than its factorization.

1551017245054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54852.

The product of its (nonzero) digits is 140000, while the sum is 40.

The spelling of 1551017245054 in words is "one trillion, five hundred fifty-one billion, seventeen million, two hundred forty-five thousand, fifty-four".