265540532151 has 32 divisors (see below), whose sum is σ = 377144019648. Its totient is φ = 165609400320.

The previous prime is 265540532149. The next prime is 265540532269. The reversal of 265540532151 is 151235045562.

It is not a de Polignac number, because 265540532151 - 2¹ = 265540532149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265540532651) 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, 10969281 + ... + 10993461.

It is an arithmetic number, because the mean of its divisors is an integer number (11785750614).

Almost surely, 2^265540532151 is an apocalyptic number.

265540532151 is a deficient number, since it is larger than the sum of its proper divisors (111603487497).

265540532151 is a wasteful number, since it uses less digits than its factorization.

265540532151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25491.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 265540532151 in words is "two hundred sixty-five billion, five hundred forty million, five hundred thirty-two thousand, one hundred fifty-one".