1551000512141 has 4 divisors (see below), whose sum is σ = 1551011912412. Its totient is φ = 1550989111872.

The previous prime is 1551000512129. The next prime is 1551000512147. The reversal of 1551000512141 is 1412150001551.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 692698321225 + 858302190916 = 832285^2 + 926446^2 .

It is a cyclic number.

It is not a de Polignac number, because 1551000512141 - 2¹⁴ = 1551000495757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1551000512141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1551000512147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5493566 + ... + 5768991.

It is an arithmetic number, because the mean of its divisors is an integer number (387752978103).

Almost surely, 2^{1551000512141} is an apocalyptic number.

It is an amenable number.

1551000512141 is a deficient number, since it is larger than the sum of its proper divisors (11400271).

1551000512141 is a wasteful number, since it uses less digits than its factorization.

1551000512141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11400270.

The product of its (nonzero) digits is 1000, while the sum is 26.

Adding to 1551000512141 its reverse (1412150001551), we get a palindrome (2963150513692).

The spelling of 1551000512141 in words is "one trillion, five hundred fifty-one billion, five hundred twelve thousand, one hundred forty-one".