1551650556060 has 144 divisors (see below), whose sum is σ = 5404792498560. Its totient is φ = 356359927680.

The previous prime is 1551650556059. The next prime is 1551650556061. The reversal of 1551650556060 is 606550561551.

1551650556060 is a `hidden beast` number, since 15 + 5 + 16 + 5 + 0 + 5 + 560 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (1551650556059) and next prime (1551650556061).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1551650555997 and 1551650556015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1551650556061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20585062 + ... + 20660301.

It is an arithmetic number, because the mean of its divisors is an integer number (37533281240).

Almost surely, 2^{1551650556060} is an apocalyptic number.

1551650556060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1551650556060 is an abundant number, since it is smaller than the sum of its proper divisors (3853141942500).

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

1551650556060 is a wasteful number, since it uses less digits than its factorization.

1551650556060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41245408 (or 41245403 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 1551650556060 in words is "one trillion, five hundred fifty-one billion, six hundred fifty million, five hundred fifty-six thousand, sixty".