153365213226505 has 32 divisors (see below), whose sum is σ = 214722309254400. Its totient is φ = 105115503749760.

The previous prime is 153365213226487. The next prime is 153365213226527. The reversal of 153365213226505 is 505622312563351.

It is not a de Polignac number, because 153365213226505 - 2¹⁷ = 153365213095433 is a prime.

It is a super-2 number, since 2×153365213226505² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17258251 + ... + 24588160.

It is an arithmetic number, because the mean of its divisors is an integer number (6710072164200).

Almost surely, 2^{153365213226505} is an apocalyptic number.

It is an amenable number.

153365213226505 is a deficient number, since it is larger than the sum of its proper divisors (61357096027895).

153365213226505 is an equidigital number, since it uses as much as digits as its factorization.

153365213226505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41848574 (or 41848560 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 49.

Adding to 153365213226505 its reverse (505622312563351), we get a palindrome (658987525789856).

The spelling of 153365213226505 in words is "one hundred fifty-three trillion, three hundred sixty-five billion, two hundred thirteen million, two hundred twenty-six thousand, five hundred five".