261461150145363 has 32 divisors (see below), whose sum is σ = 399079125139456. Its totient is φ = 149158078220448.

The previous prime is 261461150145347. The next prime is 261461150145397. The reversal of 261461150145363 is 363541051164162.

It is not a de Polignac number, because 261461150145363 - 2⁴ = 261461150145347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (261461150145763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1406194320 + ... + 1406380242.

It is an arithmetic number, because the mean of its divisors is an integer number (12471222660608).

Almost surely, 2^{261461150145363} is an apocalyptic number.

261461150145363 is a deficient number, since it is larger than the sum of its proper divisors (137617974994093).

261461150145363 is a wasteful number, since it uses less digits than its factorization.

261461150145363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296863.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 261461150145363 in words is "two hundred sixty-one trillion, four hundred sixty-one billion, one hundred fifty million, one hundred forty-five thousand, three hundred sixty-three".