1049626141555 has 4 divisors (see below), whose sum is σ = 1259551369872. Its totient is φ = 839700913240.

The previous prime is 1049626141493. The next prime is 1049626141591. The reversal of 1049626141555 is 5551416269401.

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

It is not a de Polignac number, because 1049626141555 - 2²⁷ = 1049491923827 is a prime.

It is a super-2 number, since 2×1049626141555² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1049626141499 and 1049626141508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104962614151 + ... + 104962614160.

It is an arithmetic number, because the mean of its divisors is an integer number (314887842468).

Almost surely, 2^{1049626141555} is an apocalyptic number.

1049626141555 is a deficient number, since it is larger than the sum of its proper divisors (209925228317).

1049626141555 is an equidigital number, since it uses as much as digits as its factorization.

1049626141555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209925228316.

The product of its (nonzero) digits is 1296000, while the sum is 49.

The spelling of 1049626141555 in words is "one trillion, forty-nine billion, six hundred twenty-six million, one hundred forty-one thousand, five hundred fifty-five".