1551207820060 has 24 divisors (see below), whose sum is σ = 3260671727040. Its totient is φ = 619885927104.

The previous prime is 1551207820051. The next prime is 1551207820103. The reversal of 1551207820060 is 600287021551.

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, 37303759 + ... + 37345318.

It is an arithmetic number, because the mean of its divisors is an integer number (135861321960).

Almost surely, 2^{1551207820060} is an apocalyptic number.

1551207820060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1551207820060 is an abundant number, since it is smaller than the sum of its proper divisors (1709463906980).

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

1551207820060 is a wasteful number, since it uses less digits than its factorization.

1551207820060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74650125 (or 74650123 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 1551207820060 in words is "one trillion, five hundred fifty-one billion, two hundred seven million, eight hundred twenty thousand, sixty".