1265345154150 has 192 divisors, whose sum is σ = 3914543738880. Its totient is φ = 262783555200.

The previous prime is 1265345154133. The next prime is 1265345154211. The reversal of 1265345154150 is 514515435621.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21534511 + ... + 21593189.

It is an arithmetic number, because the mean of its divisors is an integer number (20388248640).

Almost surely, 2^{1265345154150} is an apocalyptic number.

1265345154150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1265345154150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1957271869440).

1265345154150 is an abundant number, since it is smaller than the sum of its proper divisors (2649198584730).

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

1265345154150 is a wasteful number, since it uses less digits than its factorization.

1265345154150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60579 (or 60574 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 1265345154150 in words is "one trillion, two hundred sixty-five billion, three hundred forty-five million, one hundred fifty-four thousand, one hundred fifty".