1265131832090 has 64 divisors (see below), whose sum is σ = 2717603758080. Its totient is φ = 414611292480.

The previous prime is 1265131832087. The next prime is 1265131832093. The reversal of 1265131832090 is 902381315621.

It is an interprime number because it is at equal distance from previous prime (1265131832087) and next prime (1265131832093).

It is not an unprimeable number, because it can be changed into a prime (1265131832093) 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, 2043755 + ... + 2589825.

It is an arithmetic number, because the mean of its divisors is an integer number (42462558720).

Almost surely, 2^{1265131832090} is an apocalyptic number.

1265131832090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1265131832090 is an abundant number, since it is smaller than the sum of its proper divisors (1452471925990).

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

1265131832090 is a wasteful number, since it uses less digits than its factorization.

1265131832090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547547.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 1265131832090 in words is "one trillion, two hundred sixty-five billion, one hundred thirty-one million, eight hundred thirty-two thousand, ninety".