1554117764980 has 24 divisors (see below), whose sum is σ = 3560342516640. Its totient is φ = 565133732640.

The previous prime is 1554117764977. The next prime is 1554117765001. The reversal of 1554117764980 is 894677114551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3532085610 + ... + 3532086049.

It is an arithmetic number, because the mean of its divisors is an integer number (148347604860).

Almost surely, 2^{1554117764980} is an apocalyptic number.

1554117764980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1554117764980 is an abundant number, since it is smaller than the sum of its proper divisors (2006224751660).

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

1554117764980 is a wasteful number, since it uses less digits than its factorization.

1554117764980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064171679 (or 7064171677 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 58.

The spelling of 1554117764980 in words is "one trillion, five hundred fifty-four billion, one hundred seventeen million, seven hundred sixty-four thousand, nine hundred eighty".