1225255532554 has 8 divisors (see below), whose sum is σ = 1837904243040. Its totient is φ = 612620784876.

The previous prime is 1225255532549. The next prime is 1225255532587. The reversal of 1225255532554 is 4552355525221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1225255532554² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3268494 + ... + 3624025.

It is an arithmetic number, because the mean of its divisors is an integer number (229738030380).

Almost surely, 2^{1225255532554} is an apocalyptic number.

1225255532554 is a deficient number, since it is larger than the sum of its proper divisors (612648710486).

1225255532554 is an equidigital number, since it uses as much as digits as its factorization.

1225255532554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6981404.

The product of its digits is 3000000, while the sum is 46.

The spelling of 1225255532554 in words is "one trillion, two hundred twenty-five billion, two hundred fifty-five million, five hundred thirty-two thousand, five hundred fifty-four".