1012361451551 has 4 divisors (see below), whose sum is σ = 1021649171400. Its totient is φ = 1003073731704.

The previous prime is 1012361451529. The next prime is 1012361451611. The reversal of 1012361451551 is 1551541632101.

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 1012361451551 - 2⁶ = 1012361451487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012361454551) 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, 4643859761 + ... + 4643859978.

It is an arithmetic number, because the mean of its divisors is an integer number (255412292850).

Almost surely, 2^{1012361451551} is an apocalyptic number.

1012361451551 is a deficient number, since it is larger than the sum of its proper divisors (9287719849).

1012361451551 is an equidigital number, since it uses as much as digits as its factorization.

1012361451551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9287719848.

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 1012361451551 in words is "one trillion, twelve billion, three hundred sixty-one million, four hundred fifty-one thousand, five hundred fifty-one".