1051249735772 has 6 divisors (see below), whose sum is σ = 1839687037608. Its totient is φ = 525624867884.

The previous prime is 1051249735747. The next prime is 1051249735807. The reversal of 1051249735772 is 2775379421501.

It is a happy number.

It is a super-2 number, since 2×1051249735772² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131406216968 + ... + 131406216975.

It is an arithmetic number, because the mean of its divisors is an integer number (306614506268).

Almost surely, 2^{1051249735772} is an apocalyptic number.

It is an amenable number.

1051249735772 is a deficient number, since it is larger than the sum of its proper divisors (788437301836).

1051249735772 is a wasteful number, since it uses less digits than its factorization.

1051249735772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262812433947 (or 262812433945 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 53.

The spelling of 1051249735772 in words is "one trillion, fifty-one billion, two hundred forty-nine million, seven hundred thirty-five thousand, seven hundred seventy-two".