1554353534121 has 16 divisors (see below), whose sum is σ = 2074288245120. Its totient is φ = 1035327490560.

The previous prime is 1554353534081. The next prime is 1554353534131. The reversal of 1554353534121 is 1214353534551.

It is not a de Polignac number, because 1554353534121 - 2¹⁴ = 1554353517737 is a prime.

It is a super-2 number, since 2×1554353534121² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1554353534131) 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, 31292121 + ... + 31341753.

It is an arithmetic number, because the mean of its divisors is an integer number (129643015320).

Almost surely, 2^{1554353534121} is an apocalyptic number.

It is an amenable number.

1554353534121 is a deficient number, since it is larger than the sum of its proper divisors (519934710999).

1554353534121 is a wasteful number, since it uses less digits than its factorization.

1554353534121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58576.

The product of its digits is 540000, while the sum is 42.

The spelling of 1554353534121 in words is "one trillion, five hundred fifty-four billion, three hundred fifty-three million, five hundred thirty-four thousand, one hundred twenty-one".