1125532251210 has 128 divisors (see below), whose sum is σ = 2772021450240. Its totient is φ = 292367768576.

The previous prime is 1125532251199. The next prime is 1125532251271. The reversal of 1125532251210 is 121522355211.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 230781292 + ... + 230786168.

It is an arithmetic number, because the mean of its divisors is an integer number (21656417580).

Almost surely, 2^{1125532251210} is an apocalyptic number.

1125532251210 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 1125532251210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386010725120).

1125532251210 is an abundant number, since it is smaller than the sum of its proper divisors (1646489199030).

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

1125532251210 is a wasteful number, since it uses less digits than its factorization.

1125532251210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5952.

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 1125532251210 in words is "one trillion, one hundred twenty-five billion, five hundred thirty-two million, two hundred fifty-one thousand, two hundred ten".