1011225251502 has 72 divisors (see below), whose sum is σ = 2366149180824. Its totient is φ = 311907824928.

The previous prime is 1011225251489. The next prime is 1011225251513. The reversal of 1011225251502 is 2051525221101.

1011225251502 is a `hidden beast` number, since 1 + 0 + 1 + 122 + 525 + 15 + 0 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1530133 + ... + 2088960.

It is an arithmetic number, because the mean of its divisors is an integer number (32863183067).

Almost surely, 2^{1011225251502} is an apocalyptic number.

1011225251502 is an abundant number, since it is smaller than the sum of its proper divisors (1354923929322).

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

1011225251502 is a wasteful number, since it uses less digits than its factorization.

1011225251502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619182 (or 3619160 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The spelling of 1011225251502 in words is "one trillion, eleven billion, two hundred twenty-five million, two hundred fifty-one thousand, five hundred two".