1552156113447 has 32 divisors (see below), whose sum is σ = 2434838592960. Its totient is φ = 973868313600.

The previous prime is 1552156113433. The next prime is 1552156113451. The reversal of 1552156113447 is 7443116512551.

1552156113447 is a `hidden beast` number, since 1 + 5 + 5 + 21 + 5 + 611 + 3 + 4 + 4 + 7 = 666.

It is not a de Polignac number, because 1552156113447 - 2¹² = 1552156109351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552156113847) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 25030893 + ... + 25092825.

It is an arithmetic number, because the mean of its divisors is an integer number (76088706030).

Almost surely, 2^{1552156113447} is an apocalyptic number.

1552156113447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1552156113447 is a deficient number, since it is larger than the sum of its proper divisors (882682479513).

1552156113447 is a wasteful number, since it uses less digits than its factorization.

1552156113447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116560 (or 116554 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The spelling of 1552156113447 in words is "one trillion, five hundred fifty-two billion, one hundred fifty-six million, one hundred thirteen thousand, four hundred forty-seven".