1245557790037 has 16 divisors (see below), whose sum is σ = 1371975796800. Its totient is φ = 1121376826240.

The previous prime is 1245557790017. The next prime is 1245557790073. The reversal of 1245557790037 is 7300977555421.

It is not a de Polignac number, because 1245557790037 - 2⁷ = 1245557789909 is a prime.

It is a super-2 number, since 2×1245557790037² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1245557790037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245557790007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354862 + ... + 1617727.

It is an arithmetic number, because the mean of its divisors is an integer number (85748487300).

Almost surely, 2^{1245557790037} is an apocalyptic number.

It is an amenable number.

1245557790037 is a deficient number, since it is larger than the sum of its proper divisors (126418006763).

1245557790037 is a wasteful number, since it uses less digits than its factorization.

1245557790037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973156.

The product of its (nonzero) digits is 9261000, while the sum is 55.

The spelling of 1245557790037 in words is "one trillion, two hundred forty-five billion, five hundred fifty-seven million, seven hundred ninety thousand, thirty-seven".