1257747044054 has 32 divisors (see below), whose sum is σ = 1962212091840. Its totient is φ = 603918985600.

The previous prime is 1257747044053. The next prime is 1257747044069. The reversal of 1257747044054 is 4504407477521.

It is a junction number, because it is equal to n+sod(n) for n = 1257747043993 and 1257747044011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1257747044053) 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, 8239892 + ... + 8391144.

It is an arithmetic number, because the mean of its divisors is an integer number (61319127870).

Almost surely, 2^{1257747044054} is an apocalyptic number.

1257747044054 is a deficient number, since it is larger than the sum of its proper divisors (704465047786).

1257747044054 is a wasteful number, since it uses less digits than its factorization.

1257747044054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152056.

The product of its (nonzero) digits is 4390400, while the sum is 50.

The spelling of 1257747044054 in words is "one trillion, two hundred fifty-seven billion, seven hundred forty-seven million, forty-four thousand, fifty-four".