261075413054 has 4 divisors (see below), whose sum is σ = 391613119584. Its totient is φ = 130537706526.

The previous prime is 261075412993. The next prime is 261075413099. The reversal of 261075413054 is 450314570162.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 261075412999 and 261075413017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65268853262 + ... + 65268853265.

It is an arithmetic number, because the mean of its divisors is an integer number (97903279896).

Almost surely, 2^261075413054 is an apocalyptic number.

261075413054 is a deficient number, since it is larger than the sum of its proper divisors (130537706530).

261075413054 is a wasteful number, since it uses less digits than its factorization.

261075413054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130537706529.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 261075413054 in words is "two hundred sixty-one billion, seventy-five million, four hundred thirteen thousand, fifty-four".