1255000533761 has 16 divisors (see below), whose sum is σ = 1363854503424. Its totient is φ = 1147946140224.

The previous prime is 1255000533739. The next prime is 1255000533767. The reversal of 1255000533761 is 1673350005521.

It is not a de Polignac number, because 1255000533761 - 2¹⁸ = 1255000271617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255000533767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88685 + ... + 1586778.

It is an arithmetic number, because the mean of its divisors is an integer number (85240906464).

Almost surely, 2^{1255000533761} is an apocalyptic number.

It is an amenable number.

1255000533761 is a deficient number, since it is larger than the sum of its proper divisors (108853969663).

1255000533761 is a wasteful number, since it uses less digits than its factorization.

1255000533761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676000.

The product of its (nonzero) digits is 94500, while the sum is 38.

The spelling of 1255000533761 in words is "one trillion, two hundred fifty-five billion, five hundred thirty-three thousand, seven hundred sixty-one".