1551288044051 has 4 divisors (see below), whose sum is σ = 1573137171504. Its totient is φ = 1529438916600.

The previous prime is 1551288044029. The next prime is 1551288044069. The reversal of 1551288044051 is 1504408821551.

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

It is a cyclic number.

It is not a de Polignac number, because 1551288044051 - 2¹⁸ = 1551287781907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1551288043993 and 1551288044011.

It is not an unprimeable number, because it can be changed into a prime (1551288044071) 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, 10924563620 + ... + 10924563761.

It is an arithmetic number, because the mean of its divisors is an integer number (393284292876).

Almost surely, 2^{1551288044051} is an apocalyptic number.

1551288044051 is a deficient number, since it is larger than the sum of its proper divisors (21849127453).

1551288044051 is an equidigital number, since it uses as much as digits as its factorization.

1551288044051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21849127452.

The product of its (nonzero) digits is 256000, while the sum is 44.

The spelling of 1551288044051 in words is "one trillion, five hundred fifty-one billion, two hundred eighty-eight million, forty-four thousand, fifty-one".