1552616212461 has 4 divisors (see below), whose sum is σ = 2070154949952. Its totient is φ = 1035077474972.

The previous prime is 1552616212439. The next prime is 1552616212517. The reversal of 1552616212461 is 1642126162551.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1552616212461 - 2⁶ = 1552616212397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552612212461) 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, 258769368741 + ... + 258769368746.

It is an arithmetic number, because the mean of its divisors is an integer number (517538737488).

Almost surely, 2^{1552616212461} is an apocalyptic number.

It is an amenable number.

1552616212461 is a deficient number, since it is larger than the sum of its proper divisors (517538737491).

1552616212461 is an equidigital number, since it uses as much as digits as its factorization.

1552616212461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517538737490.

The product of its digits is 172800, while the sum is 42.

The spelling of 1552616212461 in words is "one trillion, five hundred fifty-two billion, six hundred sixteen million, two hundred twelve thousand, four hundred sixty-one".