1040100551 has 4 divisors (see below), whose sum is σ = 1188686352. Its totient is φ = 891514752.

The previous prime is 1040100539. The next prime is 1040100559. The reversal of 1040100551 is 1550010401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1550010401 = 37 ⋅41892173.

It is a cyclic number.

It is not a de Polignac number, because 1040100551 - 2⁶ = 1040100487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040100559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74292890 + ... + 74292903.

It is an arithmetic number, because the mean of its divisors is an integer number (297171588).

Almost surely, 2^1040100551 is an apocalyptic number.

1040100551 is a deficient number, since it is larger than the sum of its proper divisors (148585801).

1040100551 is an equidigital number, since it uses as much as digits as its factorization.

1040100551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148585800.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1040100551 is about 32250.5899325888. The cubic root of 1040100551 is about 1013.1920547523.

Adding to 1040100551 its reverse (1550010401), we get a palindrome (2590110952).

The spelling of 1040100551 in words is "one billion, forty million, one hundred thousand, five hundred fifty-one".