1025400024761 has 16 divisors (see below), whose sum is σ = 1183182274560. Its totient is φ = 870466156560.

The previous prime is 1025400024757. The next prime is 1025400024773. The reversal of 1025400024761 is 1674200045201.

It is not a de Polignac number, because 1025400024761 - 2² = 1025400024757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025400024361) 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, 502391 + ... + 1517628.

It is an arithmetic number, because the mean of its divisors is an integer number (73948892160).

Almost surely, 2^{1025400024761} is an apocalyptic number.

It is an amenable number.

1025400024761 is a deficient number, since it is larger than the sum of its proper divisors (157782249799).

1025400024761 is a wasteful number, since it uses less digits than its factorization.

1025400024761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020724.

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 1025400024761 its reverse (1674200045201), we get a palindrome (2699600069962).

The spelling of 1025400024761 in words is "one trillion, twenty-five billion, four hundred million, twenty-four thousand, seven hundred sixty-one".