1225346156511 has 8 divisors (see below), whose sum is σ = 1633853460144. Its totient is φ = 816868145280.

The previous prime is 1225346156483. The next prime is 1225346156519. The reversal of 1225346156511 is 1156516435221.

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

It is not a de Polignac number, because 1225346156511 - 2⁵ = 1225346156479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225346156519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7225306 + ... + 7392951.

It is an arithmetic number, because the mean of its divisors is an integer number (204231682518).

Almost surely, 2^{1225346156511} is an apocalyptic number.

1225346156511 is a deficient number, since it is larger than the sum of its proper divisors (408507303633).

1225346156511 is a wasteful number, since it uses less digits than its factorization.

1225346156511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14646201.

The product of its digits is 216000, while the sum is 42.

The spelling of 1225346156511 in words is "one trillion, two hundred twenty-five billion, three hundred forty-six million, one hundred fifty-six thousand, five hundred eleven".