261535050437112 has 48 divisors (see below), whose sum is σ = 708710946244080. Its totient is φ = 87130737676800.

The previous prime is 261535050437107. The next prime is 261535050437137. The reversal of 261535050437112 is 211734050535162.

261535050437112 is a `hidden beast` number, since 2 + 6 + 1 + 5 + 3 + 50 + 50 + 437 + 112 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 991793689 + ... + 992057352.

It is an arithmetic number, because the mean of its divisors is an integer number (14764811380085).

Almost surely, 2^{261535050437112} is an apocalyptic number.

It is an amenable number.

261535050437112 is an abundant number, since it is smaller than the sum of its proper divisors (447175895806968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261535050437112 is a wasteful number, since it uses less digits than its factorization.

261535050437112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983852884 (or 1983852877 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 261535050437112 in words is "two hundred sixty-one trillion, five hundred thirty-five billion, fifty million, four hundred thirty-seven thousand, one hundred twelve".