1554114256512 has 64 divisors (see below), whose sum is σ = 4261281058560. Its totient is φ = 501327175680.

The previous prime is 1554114256511. The next prime is 1554114256579. The reversal of 1554114256512 is 2156524114551.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1554114256512² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1554114256511) 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, 65265073 + ... + 65288880.

It is an arithmetic number, because the mean of its divisors is an integer number (66582516540).

Almost surely, 2^{1554114256512} is an apocalyptic number.

1554114256512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1554114256512 is an abundant number, since it is smaller than the sum of its proper divisors (2707166802048).

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

1554114256512 is a wasteful number, since it uses less digits than its factorization.

1554114256512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130554001 (or 130553989 counting only the distinct ones).

The product of its digits is 240000, while the sum is 42.

The spelling of 1554114256512 in words is "one trillion, five hundred fifty-four billion, one hundred fourteen million, two hundred fifty-six thousand, five hundred twelve".