1552635120426 has 16 divisors (see below), whose sum is σ = 3344137182624. Its totient is φ = 477733883184.

The previous prime is 1552635120353. The next prime is 1552635120451. The reversal of 1552635120426 is 6240215362551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9952789156 + ... + 9952789311.

It is an arithmetic number, because the mean of its divisors is an integer number (209008573914).

Almost surely, 2^{1552635120426} is an apocalyptic number.

1552635120426 is an abundant number, since it is smaller than the sum of its proper divisors (1791502062198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1552635120426 is a wasteful number, since it uses less digits than its factorization.

1552635120426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19905578485.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 1552635120426 in words is "one trillion, five hundred fifty-two billion, six hundred thirty-five million, one hundred twenty thousand, four hundred twenty-six".