1554400251013 has 8 divisors (see below), whose sum is σ = 1636713840800. Its totient is φ = 1472136966288.

The previous prime is 1554400250987. The next prime is 1554400251059. The reversal of 1554400251013 is 3101520044551.

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 1554400251013 - 2¹³ = 1554400242821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1554400251083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12512823 + ... + 12636436.

It is an arithmetic number, because the mean of its divisors is an integer number (204589230100).

Almost surely, 2^{1554400251013} is an apocalyptic number.

It is an amenable number.

1554400251013 is a deficient number, since it is larger than the sum of its proper divisors (82313589787).

1554400251013 is a wasteful number, since it uses less digits than its factorization.

1554400251013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25152531.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 1554400251013 its reverse (3101520044551), we get a palindrome (4655920295564).

The spelling of 1554400251013 in words is "one trillion, five hundred fifty-four billion, four hundred million, two hundred fifty-one thousand, thirteen".