1554550001541 has 16 divisors (see below), whose sum is σ = 2304196171200. Its totient is φ = 1035845058384.

The previous prime is 1554550001503. The next prime is 1554550001591. The reversal of 1554550001541 is 1451000554551.

1554550001541 is a `hidden beast` number, since 1 + 5 + 54 + 550 + 0 + 0 + 1 + 54 + 1 = 666.

It is not a de Polignac number, because 1554550001541 - 2¹⁰ = 1554550000517 is a prime.

It is a super-2 number, since 2×1554550001541² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1554550001496 and 1554550001505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1554550001591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14434506 + ... + 14541803.

It is an arithmetic number, because the mean of its divisors is an integer number (144012260700).

Almost surely, 2^{1554550001541} is an apocalyptic number.

It is an amenable number.

1554550001541 is a deficient number, since it is larger than the sum of its proper divisors (749646169659).

1554550001541 is a wasteful number, since it uses less digits than its factorization.

1554550001541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28978305 (or 28978299 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 36.

The spelling of 1554550001541 in words is "one trillion, five hundred fifty-four billion, five hundred fifty million, one thousand, five hundred forty-one".