1251104413055 has 8 divisors (see below), whose sum is σ = 1715800337952. Its totient is φ = 857900168928.

The previous prime is 1251104413043. The next prime is 1251104413133. The reversal of 1251104413055 is 5503144011521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1251104413055 - 2²⁰ = 1251103364479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17872920152 + ... + 17872920221.

It is an arithmetic number, because the mean of its divisors is an integer number (214475042244).

Almost surely, 2^{1251104413055} is an apocalyptic number.

1251104413055 is a deficient number, since it is larger than the sum of its proper divisors (464695924897).

1251104413055 is an equidigital number, since it uses as much as digits as its factorization.

1251104413055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35745840385.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 1251104413055 its reverse (5503144011521), we get a palindrome (6754248424576).

The spelling of 1251104413055 in words is "one trillion, two hundred fifty-one billion, one hundred four million, four hundred thirteen thousand, fifty-five".