1264061256153 has 4 divisors (see below), whose sum is σ = 1685415008208. Its totient is φ = 842707504100.

The previous prime is 1264061256151. The next prime is 1264061256179. The reversal of 1264061256153 is 3516521604621.

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 1264061256153 - 2¹ = 1264061256151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1264061256151) 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, 210676876023 + ... + 210676876028.

It is an arithmetic number, because the mean of its divisors is an integer number (421353752052).

Almost surely, 2^{1264061256153} is an apocalyptic number.

It is an amenable number.

1264061256153 is a deficient number, since it is larger than the sum of its proper divisors (421353752055).

1264061256153 is an equidigital number, since it uses as much as digits as its factorization.

1264061256153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421353752054.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 1264061256153 in words is "one trillion, two hundred sixty-four billion, sixty-one million, two hundred fifty-six thousand, one hundred fifty-three".