1351141666650 has 48 divisors (see below), whose sum is σ = 3723145929600. Its totient is φ = 360304444080.

The previous prime is 1351141666627. The next prime is 1351141666697. The reversal of 1351141666650 is 566661411531.

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 = 1351141666596 and 1351141666605.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 500421490 + ... + 500424189.

It is an arithmetic number, because the mean of its divisors is an integer number (77565540200).

Almost surely, 2^{1351141666650} is an apocalyptic number.

1351141666650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1351141666650 is an abundant number, since it is smaller than the sum of its proper divisors (2372004262950).

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

1351141666650 is a wasteful number, since it uses less digits than its factorization.

1351141666650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000845700 (or 1000845689 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 1351141666650 in words is "one trillion, three hundred fifty-one billion, one hundred forty-one million, six hundred sixty-six thousand, six hundred fifty".