264401061131545 has 96 divisors (see below), whose sum is σ = 347092996320000. Its totient is φ = 193254212616192.

The previous prime is 264401061131489. The next prime is 264401061131579. The reversal of 264401061131545 is 545131160104462.

It is not a de Polignac number, because 264401061131545 - 2³⁹ = 263851305317657 is a prime.

It is a super-2 number, since 2×264401061131545² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 109121361204 + ... + 109121363626.

It is an arithmetic number, because the mean of its divisors is an integer number (3615552045000).

Almost surely, 2^{264401061131545} is an apocalyptic number.

It is an amenable number.

264401061131545 is a deficient number, since it is larger than the sum of its proper divisors (82691935188455).

264401061131545 is a wasteful number, since it uses less digits than its factorization.

264401061131545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979 (or 4966 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 264401061131545 in words is "two hundred sixty-four trillion, four hundred one billion, sixty-one million, one hundred thirty-one thousand, five hundred forty-five".