1551510452001 has 4 divisors (see below), whose sum is σ = 2068680602672. Its totient is φ = 1034340301332.

The previous prime is 1551510451993. The next prime is 1551510452143. The reversal of 1551510452001 is 1002540151551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1551510452001 - 2³ = 1551510451993 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 1551510452001.

It is not an unprimeable number, because it can be changed into a prime (1551510457001) 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, 258585075331 + ... + 258585075336.

It is an arithmetic number, because the mean of its divisors is an integer number (517170150668).

Almost surely, 2^{1551510452001} is an apocalyptic number.

It is an amenable number.

1551510452001 is a deficient number, since it is larger than the sum of its proper divisors (517170150671).

1551510452001 is an equidigital number, since it uses as much as digits as its factorization.

1551510452001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517170150670.

The product of its (nonzero) digits is 5000, while the sum is 30.

The spelling of 1551510452001 in words is "one trillion, five hundred fifty-one billion, five hundred ten million, four hundred fifty-two thousand, one".