141256836461 has 48 divisors (see below), whose sum is σ = 157211894736. Its totient is φ = 126830665728.

The previous prime is 141256836389. The next prime is 141256836467. The reversal of 141256836461 is 164638652141.

It can be written as a sum of positive squares in 24 ways, for example, as 136239239236 + 5017597225 = 369106^2 + 70835^2 .

It is not a de Polignac number, because 141256836461 - 2¹⁰ = 141256835437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141256836467) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 451299641 + ... + 451299953.

It is an arithmetic number, because the mean of its divisors is an integer number (3275247807).

Almost surely, 2^141256836461 is an apocalyptic number.

It is an amenable number.

141256836461 is a deficient number, since it is larger than the sum of its proper divisors (15955058275).

141256836461 is a wasteful number, since it uses less digits than its factorization.

141256836461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 789 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

It can be divided in two parts, 14125 and 6836461, that added together give a palindrome (6850586).

The spelling of 141256836461 in words is "one hundred forty-one billion, two hundred fifty-six million, eight hundred thirty-six thousand, four hundred sixty-one".