1552113671 has 4 divisors (see below), whose sum is σ = 1589970144. Its totient is φ = 1514257200.

The previous prime is 1552113659. The next prime is 1552113677. The reversal of 1552113671 is 1763112551.

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 1552113671 - 2¹⁸ = 1551851527 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 (1552113677) 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, 18928175 + ... + 18928256.

It is an arithmetic number, because the mean of its divisors is an integer number (397492536).

Almost surely, 2^1552113671 is an apocalyptic number.

1552113671 is a deficient number, since it is larger than the sum of its proper divisors (37856473).

1552113671 is an equidigital number, since it uses as much as digits as its factorization.

1552113671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37856472.

The product of its digits is 6300, while the sum is 32.

The square root of 1552113671 is about 39396.8738734433. The cubic root of 1552113671 is about 1157.8203399129.

It can be divided in two parts, 15521 and 13671, that added together give a palindrome (29192).

The spelling of 1552113671 in words is "one billion, five hundred fifty-two million, one hundred thirteen thousand, six hundred seventy-one".