1051979720575 has 24 divisors (see below), whose sum is σ = 1490845294080. Its totient is φ = 721338290400.

The previous prime is 1051979720567. The next prime is 1051979720579. The reversal of 1051979720575 is 5750279791501.

It is not a de Polignac number, because 1051979720575 - 2³ = 1051979720567 is a prime.

It is a super-2 number, since 2×1051979720575² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051979720579) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10428630 + ... + 10529020.

It is an arithmetic number, because the mean of its divisors is an integer number (62118553920).

Almost surely, 2^{1051979720575} is an apocalyptic number.

1051979720575 is a deficient number, since it is larger than the sum of its proper divisors (438865573505).

1051979720575 is a wasteful number, since it uses less digits than its factorization.

1051979720575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160287 (or 160282 counting only the distinct ones).

The product of its (nonzero) digits is 6945750, while the sum is 58.

The spelling of 1051979720575 in words is "one trillion, fifty-one billion, nine hundred seventy-nine million, seven hundred twenty thousand, five hundred seventy-five".